﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2025v4.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-07-29T15:44:31-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>410746749</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>CLIFTONLARSONALLEN LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>950 NORTH GLEBE ROAD SUITE 1200</AddressLine1Txt>
        <CityNm>ARLINGTON</CityNm>
        <StateAbbreviationCd>VA</StateAbbreviationCd>
        <ZIPCd>22203</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>060636098</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>AMERICAN ASSOCIATION ON INTELLECTUAL</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>AND DEVELOPMENTAL DISABILITIES</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>AMER</BusinessNameControlTxt>
      <PhoneNum>2023871968</PhoneNum>
      <USAddress>
        <AddressLine1Txt>8403 COLESVILLE ROAD 900</AddressLine1Txt>
        <CityNm>SILVER SPRING</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>20910</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>MARGARET A NYGREN</PersonNm>
      <PersonTitleTxt>CHIEF EXECUTIVE OFFICER</PersonTitleTxt>
      <PhoneNum>2023871968</PhoneNum>
      <SignatureDt>2026-07-28</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>CHICHI MSANGI</PreparerPersonNm>
      <PTIN>P01972113</PTIN>
      <PhoneNum>5712279500</PhoneNum>
      <PreparationDt>2026-07-28</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>MARGARET A NYGREN</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>8403 COLESVILLE ROAD 900</AddressLine1Txt>
        <CityNm>SILVER SPRING</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>20910</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>3727975</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.AAIDD.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1938</FormationYr>
      <LegalDomicileStateCd>PA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>PROMOTE RESEARCH, EDUCATION &amp; PRACTICE IN THE FIELD OF INTELLECTUAL &amp; DEVELOPMENTAL DISABILITIES.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>7</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>7</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>14</TotalEmployeeCnt>
      <TotalVolunteersCnt>20</TotalVolunteersCnt>
      <TotalGrossUBIAmt>6287</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>53938</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>3441</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>3963062</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>3120781</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>322160</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>314062</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>236566</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>180222</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>4575726</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>3618506</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>1631583</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>1588678</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>2277300</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>2071677</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>3908883</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>3660355</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>666843</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-41849</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>12972135</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>13231101</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>2048299</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>1614406</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>10923836</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>11616695</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>TO PROMOTE PROGRESSIVE POLICIES, SOUND RESEARCH, EFFECTIVE PRACTICES, AND UNIVERSAL HUMAN RIGHTS FOR PEOPLE WITH INTELLECTUAL AND DEVELOPMENTAL DISABILITIES.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>1888360</ExpenseAmt>
      <GrantAmt>0</GrantAmt>
      <RevenueAmt>2059755</RevenueAmt>
      <Desc>PUBLICATIONS: AAIDD EDUCATES THE PUBLIC ON AREAS OF INTELLECTUAL AND DEVELOPMENTAL DISABILITIES BOTH THROUGH ITS SCHOLARLY JOURNALS AND ITS BOOK PROGRAM. IN ADDITION, AAIDD OFFERS TOOLS USED BY DISABILITY PROFESSIONALS TO GAUGE THE SUPPORT NEEDED FOR INDIVIDUALS WITH INTELLECTUAL AND DEVELOPMENTAL DISABILITIES TO BE ABLE TO LIVE IN COMMUNITY SETTINGS.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>910842</ExpenseAmt>
        <GrantAmt>0</GrantAmt>
        <RevenueAmt>906647</RevenueAmt>
        <Desc>EDUCATION &amp; TRAINING: IN ORDER TO FULFILL ITS CONSTITUTIONAL DIRECTIVE OF ENCOURAGING RESEARCH AND DISSEMINATING KNOWLEDGE IN THE FIELD OF INTELLECTUAL AND DEVELOPMENTAL DISABILITIES, AMERICAN ASSOCIATION ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES CONDUCTS TRAINING AND SEMINARS.</Desc>
      </ProgSrvcAccomActy2Grp>
      <ProgSrvcAccomActy3Grp>
        <ExpenseAmt>246797</ExpenseAmt>
        <GrantAmt>0</GrantAmt>
        <RevenueAmt>154379</RevenueAmt>
        <Desc>MEMBERSHIP: SPECIAL PROJECT ACTIVITIES KEEP MEMBERS INFORMED ON ISSUES THAT AFFECT PEOPLE WITH INTELLECTUAL AND DEVELOPMENTAL DISABILITIES. THE MEMBERSHIP DEPARTMENT PROCESSES EACH MEMBER APPLICATION.</Desc>
      </ProgSrvcAccomActy3Grp>
      <ProgSrvcAccomActyOtherGrp>
        <RevenueAmt>130114</RevenueAmt>
      </ProgSrvcAccomActyOtherGrp>
      <TotalOtherProgSrvcRevenueAmt>130114</TotalOtherProgSrvcRevenueAmt>
      <TotalProgramServiceExpensesAmt>3045999</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>0</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">1</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">1</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>1</ForeignOfficeInd>
      <ForeignActivitiesInd referenceDocumentId="RetDoc1040500001">1</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd referenceDocumentId="RetDoc1040500001">0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd referenceDocumentId="RetDoc1040500001">0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>21</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>14</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>1</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>1</Form990TFiledInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>7</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>7</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>0</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>1</LocalChaptersInd>
      <PoliciesReferenceChaptersInd>1</PoliciesReferenceChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>1</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>1</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>PAUL AITKEN</PersonNm>
        <PhoneNum>2023871968</PhoneNum>
        <USAddress>
          <AddressLine1Txt>8403 COLESVILLE ROAD SUITE 900</AddressLine1Txt>
          <CityNm>SILVER SPRING</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>20910</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARGARET A NYGREN EDD FAAIDD</PersonNm>
        <TitleTxt>CHIEF EXECUTIVE OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>259689</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>47819</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PAUL D AITKEN</PersonNm>
        <TitleTxt>DIRECTOR, FINANCE &amp; ADMINISTRATION</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>158731</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>22003</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RAVITA MAHARAJ PHD FAAIDD</PersonNm>
        <TitleTxt>DIRECTOR, ASSESSMENTS PROGRAM</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>125970</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>22637</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANTHONY RODRIGUEZ PHD FAAIDD</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MELISSA A DISIPIO MSA FAAIDD</PersonNm>
        <TitleTxt>PRESIDENT UNTIL 06/2025</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>VINCENT CHESNEY MS FAAIDD</PersonNm>
        <TitleTxt>PRESIDENT ELECT</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SARAH HALL PHD FAAIDD</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JULIE BERSHADSKY PHD FAAIDD</PersonNm>
        <TitleTxt>SECRETARY-TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JUSTIN KUEHL PSYD FAAIDD</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CAROL BRITTON LAWS PHD FAAIDD</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARY KAY RIZZOLO PHD FAAIDD</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOYCE S LOUDEN PHD FAAIDD</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE UNTIL 06/2025</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAN ZHANG PHD FAAIDD</PersonNm>
        <TitleTxt>PAST PRESIDENT UNTIL 06/2025</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KRUTI ACHARYA MD FAAIDD</PersonNm>
        <TitleTxt>MEMBER-AT-LARGE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>544390</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>92459</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>3</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>AJ BOGGS &amp; CO</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>4660 SOUTH HAGADORN STE 290</AddressLine1Txt>
            <CityNm>EAST LANSING</CityNm>
            <StateAbbreviationCd>MI</StateAbbreviationCd>
            <ZIPCd>48823</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>SOFTWARE DEVELOPMENT/MANAGEMENT</ServicesDesc>
        <CompensationAmt>783083</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>KAREN GOLEM</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <ForeignAddress>
            <AddressLine1Txt>1 LYNDALE AVENUE</AddressLine1Txt>
            <CityNm>ST THOMAS</CityNm>
            <ProvinceOrStateNm>ON</ProvinceOrStateNm>
            <CountryCd>CA</CountryCd>
            <ForeignPostalCd>N5R 1C3</ForeignPostalCd>
          </ForeignAddress>
        </ContractorAddress>
        <ServicesDesc>SIS TRAINER/ASSESSOR</ServicesDesc>
        <CompensationAmt>155956</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>KNOWLEDGE WORKS GLOBAL LTD</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>410 HIGHWAY 25 S</AddressLine1Txt>
            <CityNm>BRAINERD</CityNm>
            <StateAbbreviationCd>MN</StateAbbreviationCd>
            <ZIPCd>56401</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>PUBLICATIONS AND PRINTING</ServicesDesc>
        <CompensationAmt>104759</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>3</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>3441</AllOtherContributionsAmt>
      <TotalContributionsAmt>3441</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>PRODUCTS AND SERVICES</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>2059755</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2059755</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>EDUCATION/TRAINING</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>906647</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>906647</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>154379</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>154379</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>3120781</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>304520</TotalRevenueColumnAmt>
        <ExclusionAmt>304520</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>43821</TotalRevenueColumnAmt>
        <ExclusionAmt>43821</ExclusionAmt>
      </RoyaltiesRevenueGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>88682</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>79140</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>9542</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>9542</TotalRevenueColumnAmt>
        <ExclusionAmt>9542</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <GrossSalesOfInventoryAmt>143137</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>30329</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>112808</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>112808</RelatedOrExemptFuncIncomeAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER PROGRAM FEES</Desc>
        <BusinessCd>611430</BusinessCd>
        <TotalRevenueColumnAmt>17306</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>17306</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>ADVERTISING</Desc>
        <BusinessCd>541800</BusinessCd>
        <TotalRevenueColumnAmt>6287</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>6287</UnrelatedBusinessRevenueAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>23593</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>3618506</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3250895</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>6287</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>357883</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>488242</TotalAmt>
        <ProgramServicesAmt>369550</ProgramServicesAmt>
        <ManagementAndGeneralAmt>118692</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>849622</TotalAmt>
        <ProgramServicesAmt>637257</ProgramServicesAmt>
        <ManagementAndGeneralAmt>212365</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>32634</TotalAmt>
        <ProgramServicesAmt>23823</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8811</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>128547</TotalAmt>
        <ProgramServicesAmt>101571</ProgramServicesAmt>
        <ManagementAndGeneralAmt>26976</ManagementAndGeneralAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>89633</TotalAmt>
        <ProgramServicesAmt>70293</ProgramServicesAmt>
        <ManagementAndGeneralAmt>19340</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>41857</TotalAmt>
        <ProgramServicesAmt>41857</ProgramServicesAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>32857</TotalAmt>
        <ManagementAndGeneralAmt>32857</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>51895</TotalAmt>
        <ManagementAndGeneralAmt>51895</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>1185328</TotalAmt>
        <ProgramServicesAmt>1169581</ProgramServicesAmt>
        <ManagementAndGeneralAmt>15747</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>640</TotalAmt>
        <ProgramServicesAmt>125</ProgramServicesAmt>
        <ManagementAndGeneralAmt>515</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>185898</TotalAmt>
        <ProgramServicesAmt>165200</ProgramServicesAmt>
        <ManagementAndGeneralAmt>20698</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>6923</TotalAmt>
        <ManagementAndGeneralAmt>6923</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>141871</TotalAmt>
        <ProgramServicesAmt>88167</ProgramServicesAmt>
        <ManagementAndGeneralAmt>53704</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>120795</TotalAmt>
        <ProgramServicesAmt>107608</ProgramServicesAmt>
        <ManagementAndGeneralAmt>13187</ManagementAndGeneralAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>207646</TotalAmt>
        <ProgramServicesAmt>205273</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2373</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>46235</TotalAmt>
        <ProgramServicesAmt>36063</ProgramServicesAmt>
        <ManagementAndGeneralAmt>10172</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>49140</TotalAmt>
        <ProgramServicesAmt>29244</ProgramServicesAmt>
        <ManagementAndGeneralAmt>19896</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>TAXES AND FEES</Desc>
        <TotalAmt>592</TotalAmt>
        <ProgramServicesAmt>387</ProgramServicesAmt>
        <ManagementAndGeneralAmt>205</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>3660355</TotalAmt>
        <ProgramServicesAmt>3045999</ProgramServicesAmt>
        <ManagementAndGeneralAmt>614356</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>27360</BOYAmt>
        <EOYAmt>4943</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>1270497</BOYAmt>
        <EOYAmt>745056</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>530031</BOYAmt>
        <EOYAmt>417060</EOYAmt>
      </AccountsReceivableGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>40239</BOYAmt>
        <EOYAmt>47067</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>30160</BOYAmt>
        <EOYAmt>86804</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>523986</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>379441</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>175640</BOYAmt>
        <EOYAmt>144545</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>9987403</BOYAmt>
        <EOYAmt>10953031</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>910805</BOYAmt>
        <EOYAmt>832595</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>12972135</BOYAmt>
        <EOYAmt>13231101</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>287927</BOYAmt>
        <EOYAmt>195678</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>481416</BOYAmt>
        <EOYAmt>277131</EOYAmt>
      </DeferredRevenueGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>1278956</BOYAmt>
        <EOYAmt>1141597</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>2048299</BOYAmt>
        <EOYAmt>1614406</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>10886020</BOYAmt>
        <EOYAmt>11581069</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>37816</BOYAmt>
        <EOYAmt>35626</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>10923836</BOYAmt>
        <EOYAmt>11616695</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>12972135</BOYAmt>
        <EOYAmt>13231101</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-41849</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>734708</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>59205</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>93815</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>19910</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>53938</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3441</CurrentTaxYearAmt>
        <TotalAmt>230309</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>3196930</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>3519646</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3730940</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4170590</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3281224</CurrentTaxYearAmt>
        <TotalAmt>17899330</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>3256135</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>3613461</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3750850</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4224528</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3284665</CurrentTaxYearAmt>
        <TotalAmt>18129639</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <CurrentTaxYearMinus4YearsAmt>1380573</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2035493</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1447245</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2433807</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1687612</CurrentTaxYearAmt>
        <TotalAmt>8984730</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>1380573</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2035493</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1447245</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2433807</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1687612</CurrentTaxYearAmt>
        <TotalAmt>8984730</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>9144909</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>145956</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>244857</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>296856</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>321728</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>348341</CurrentTaxYearAmt>
        <TotalAmt>1357738</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <Post1975UBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>1486</CurrentTaxYearMinus4YearsAmt>
        <TotalAmt>1486</TotalAmt>
      </Post1975UBTIGrp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>147442</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>244857</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>296856</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>321728</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>348341</CurrentTaxYearAmt>
        <TotalAmt>1359224</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>3403577</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>3858318</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>4047706</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4546256</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3633006</CurrentTaxYearAmt>
        <TotalAmt>19488863</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.46920</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.50140</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.06970</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.06090</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>318507</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>202686</DepreciationAmt>
        <BookValueAmt>115821</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>48374</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>25495</DepreciationAmt>
        <BookValueAmt>22879</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>157105</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>151260</DepreciationAmt>
        <BookValueAmt>5845</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>144545</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>DEFERRED COMPENSATION INVESTMENTS</Desc>
        <BookValueAmt>267689</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>DEPOSITS</Desc>
        <BookValueAmt>14172</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>RIGHT OF USE ASSET</Desc>
        <BookValueAmt>550734</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>832595</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>OTHER LIABILITY</Desc>
        <Amt>38551</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED COMPENSATION</Desc>
        <Amt>267689</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>LEASE LIABILITY</Desc>
        <Amt>835357</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>1141597</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>4331648</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>734708</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>734708</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>3596940</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>51895</InvestmentExpensesNotIncldAmt>
      <OtherRevenuesNotIncludedAmt>-30329</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>21566</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>3618506</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>3638789</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>30329</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>30329</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>3608460</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>51895</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>51895</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>3660355</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>AMERICAN ASSOCIATION ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES (AAIDD) IS EXEMPT FROM FEDERAL INCOME TAXES ON INCOME OTHER THAN UNRELATED BUSINESS INCOME UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE. AAIDD IS SUBJECT TO TAX ON UNRELATED BUSINESS INCOME FOR LABEL SALES AND ADVERTISING. AAIDD HAS EVALUATED ITS TAX POSITIONS AND DETERMINED THAT ITS POSITIONS ARE MORE-LIKELY-THAN-NOT TO BE SUSTAINED ON EXAMINATION. AAIDD'S TAX RETURNS ARE SUBJECT TO REVIEW AND EXAMINATION BY FEDERAL AND STATE AUTHORITIES. AAIDD IS NOT AWARE OF ANY ACTIVITIES THAT WOULD JEOPARDIZE ITS TAX-EXEMPT STATUS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD -30,329.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD 30,329.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>2</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SIS TRAINING</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>29944</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>2</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>2</TotalEmployeeCnt>
      <SubtotalSpentAmt>29944</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>29944</TotalSpentAmt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
    </IRS990ScheduleF>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MARGARET A NYGREN EDD FAAIDD</PersonNm>
        <TitleTxt>CHIEF EXECUTIVE OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>259689</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>19203</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>28616</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>307508</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PAUL D AITKEN</PersonNm>
        <TitleTxt>DIRECTOR, FINANCE &amp; ADMINISTRATION</TitleTxt>
        <BaseCompensationFilingOrgAmt>158481</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>250</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8329</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>13674</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>180734</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>MARGARET NYGREN'S COMPENSATION REPORTED ON FORM 990, PART VII INCLUDED $5,382 FOR SUPPLEMENTAL NONQUALIFIED RETIREMENT PLAN CONTRIBUTIONS; TERMS AND CONDITIONS WERE AS FOLLOWS: 457(F) PAYMENT FOR 2025.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>AMERICAN ASSOCIATION ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES IS A MEMBERSHIP ORGANIZATION, GOVERNED BY A BOARD OF DIRECTORS ELECTED BY THE MEMBERSHIP. ALL BOARD NOMINEES AND BOARD MEMBERS MUST BE MEMBERS OF THE ASSOCIATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH MEMBER MAY VOTE FOR ONE BOARD CANDIDATE PER OPEN SEAT DURING THE BOARD ELECTION PROCESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>NO COMMITTEES HAVE THE AUTHORITY TO ACT ON BEHALF OF THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A DRAFT FORM 990 IS PREPARED BY AN OUTSIDE ACCOUNTING FIRM. THE DRAFT IS REVIEWED BY MANAGEMENT AND FORWARDED TO EACH BOARD MEMBER, WHO WILL THEN BE INVITED TO PARTICIPATE IN A CONFERENCE CALL AND VOICE ANY QUESTIONS OR CONCERNS. THE RETURN WILL BE UPDATED IF NEEDED AND FILED WITH THE INTERNAL REVENUE SERVICE AFTER THE CALL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL BOARD MEMBERS AND ALL EMPLOYEES ARE REQUIRED TO ANNUALLY DISCLOSE ANY POTENTIAL OR ACTUAL CONFLICTS. ANY NEW (OR EXISTING BUSINESS) IS REVIEWED TO DETERMINE THE EXTENT TO WHICH, IF ANY, THERE MAY BE CONFLICTS OF INTEREST. ANY BOARD MEMBER HAVING A CONFLICT OF INTEREST OR POSSIBLE CONFLICT OF INTEREST SHOULD NOT VOTE ON THE MATTER, USE HIS/HER PERSONAL INFLUENCE ON THE MATTER, NOR BE COUNTED AS PART OF A QUORUM FOR THE MEETING. THE MINUTES OF THE MEETING SHOULD REFLECT THAT A DISCLOSURE WAS MADE WITH THE ABSTENTION FROM VOTING AND THE QUORUM SITUATION CITED. THE BOARD MONITORS COMPLIANCE WITH THE POLICY THROUGH SIGNED CONFLICT OF INTEREST FORMS COMPLETED ANNUALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION OF T4HE CHIEF EXECUTIVE OFFICER (CEO) OF AMERICAN ASSOCIATION ON INTELLECTUAL AND DEVELOPMENT DISABILITIES IS DETERMINED BY THE GOVERNING BOARD AND IS REVIEWED ANNUALLY. THE DECISION MAKING PROCESS IS DOCUMENTED IN THE BOARD MINUTES, AND UTILIZES SALARIES FOR COMPARABLE POSITIONS IN THE MARKET. IT WAS LAST REVIEWED IN 2025. THE CEO, BEING CHARGED WITH ASSEMBLING THE STAFF OF THE ORGANIZATION, SETS THE COMPENSATION LEVELS OF EMPLOYEES BASED ON MARKET CONDITIONS AS WELL AS EXPERIENCE LEVELS OF INDIVIDUAL</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICTS OF INTEREST AND FINANCIAL STATEMENTS ARE MADE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>SIS CONSULTING AND OTHER FEES: PROGRAM SERVICE EXPENSES 1,169,581. MANAGEMENT AND GENERAL EXPENSES 15,747. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 1,185,328.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>