﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" returnVersion="2023v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-15T14:28:44-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>205907840</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Ketcham &amp; Associates LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>202 Mountain Avenue</AddressLine1Txt>
        <CityNm>Westfield</CityNm>
        <StateAbbreviationCd>NJ</StateAbbreviationCd>
        <ZIPCd>07090</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>223565137</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MILLBURN HIGH SCHOOL PTO</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MILL</BusinessNameControlTxt>
      <USAddress>
        <AddressLine1Txt>462 Millburn Avenue</AddressLine1Txt>
        <CityNm>Millburn</CityNm>
        <StateAbbreviationCd>NJ</StateAbbreviationCd>
        <ZIPCd>07041</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Heather Jenquine</PersonNm>
      <PersonTitleTxt>Board Director</PersonTitleTxt>
      <PhoneNum>9082324618</PhoneNum>
      <SignatureDt>2024-11-04</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>Steven Ketcham CPA</PreparerPersonNm>
      <PTIN>P01439801</PTIN>
      <PhoneNum>9082324618</PhoneNum>
      <PreparationDt>2024-11-15</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="IRS990EZ">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>mhs.millburn.org</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="990A">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>192753</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>6206</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>136011</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>27150</MembershipDuesAmt>
      <FundraisingGrossIncomeAmt>23386</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>20841</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>2545</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>171912</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>74890</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>1050</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>43</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>125413</OtherExpensesTotalAmt>
      <TotalExpensesAmt>201396</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-29484</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>212059</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>182575</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>229601</BOYAmt>
        <EOYAmt>197723</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>696</BOYAmt>
        <EOYAmt>1425</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>230297</BOYAmt>
        <EOYAmt>199148</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>18238</BOYAmt>
        <EOYAmt>16573</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>212059</BOYAmt>
        <EOYAmt>182575</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>Promoting welfare of MHS students</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>The Millburn High School PTO is dedicated to promoting the welfare of MHS students in the home, school and community.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>74890</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>198675</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>198675</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Berylin Bosselman</PersonNm>
        <TitleTxt>Co-President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Neena Jindal</PersonNm>
        <TitleTxt>Board Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Angela Cohen</PersonNm>
        <TitleTxt>Board Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Illana Lebersfeld</PersonNm>
        <TitleTxt>Board Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Lisa Biller</PersonNm>
        <TitleTxt>Board Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Mindy Tofias</PersonNm>
        <TitleTxt>Board Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Lori King</PersonNm>
        <TitleTxt>Board Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Jill Sherman</PersonNm>
        <TitleTxt>Board Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Samantha Meiler</PersonNm>
        <TitleTxt>Board Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Heather Jenquine</PersonNm>
        <TitleTxt>Co-President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Jennifer DiMinni</PersonNm>
        <TitleTxt>Board Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>NJ</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>Berylin Bosselman</PersonNm>
        <USAddress>
          <AddressLine1Txt>462 Millburn Avenue</AddressLine1Txt>
          <CityNm>Millburn</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>07041</ZIPCd>
        </USAddress>
        <PhoneNum>9733763600</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="990A">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>107631</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>93183</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>93183</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>122807</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>169367</CurrentTaxYearAmt>
        <TotalAmt>586171</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>51879</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>18763</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>18763</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>50300</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>23386</CurrentTaxYearAmt>
        <TotalAmt>163091</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>159510</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>111946</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>111946</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>173107</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>192753</CurrentTaxYearAmt>
        <TotalAmt>749262</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>749262</PublicSupportTotal509Amt>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>159510</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>111946</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>111946</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>173107</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>192753</CurrentTaxYearAmt>
        <TotalAmt>749262</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>1.00000</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleG documentId="990G">
      <FundraisingEventInformationGrp>
        <Event1Nm>Various</Event1Nm>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="990O">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Amended return information</FormAndLineReferenceDesc>
        <ExplanationTxt>The filing has been amended to reflect information that was not available by the original due date.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>List of grants and similar amounts paid Part I line 10</FormAndLineReferenceDesc>
        <ExplanationTxt>Activity Financial support Grantee Various Amount 74,890</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other expenses Part I line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Description AmountDues and fees 225Miscellaneous and sundry 1,000Hospitality and program 23,565Insurance 1,403Meetings and conferences 588Senior celebration 92,700Membership fees 3,096Gifts and donations 2,836</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other assets Part II line 24</FormAndLineReferenceDesc>
        <ExplanationTxt>Category Beginning of Year End of YearAccounts receivable 313 1,270Prepaid expenses 383 155</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of total liabilities Part II line 26</FormAndLineReferenceDesc>
        <ExplanationTxt>Category Beginning of Year End of YearDeferred revenues 12,777 11,418Accounts payable 5,461 5,155</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>