﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-11T14:30:47-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>541391150</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>UPDEGROVE MCDANIEL MCMULLEN CHICCEHITTO</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>5 LOUDOUN STREET SW SUITE B</AddressLine1Txt>
        <CityNm>LEESBURG</CityNm>
        <StateAbbreviationCd>VA</StateAbbreviationCd>
        <ZIPCd>20175</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>541997043</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>STONE BRIDGE HIGH SCHOOL MUSIC</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>BOOSTERS ASSOCIATION</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>STON</BusinessNameControlTxt>
      <PhoneNum>2083084485</PhoneNum>
      <USAddress>
        <AddressLine1Txt>43100 HAY ROAD</AddressLine1Txt>
        <CityNm>ASHBURN</CityNm>
        <StateAbbreviationCd>VA</StateAbbreviationCd>
        <ZIPCd>20147</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>KARENNA AWTRY</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <SignatureDt>2024-11-07</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>STEPHANIE J MERCER</PreparerPersonNm>
      <PTIN>P01296942</PTIN>
      <PhoneNum>7037711818</PhoneNum>
      <PreparationDt>2024-11-11</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990EZ documentId="RetDoc3" referenceDocumentId="RetDoc5">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>HTTPS://WWW.LCPS.ORG/PAGE/33671</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc6">X</Organization501c3Ind>
      <TypeOfOrganizationAssocInd>X</TypeOfOrganizationAssocInd>
      <GrossReceiptsAmt>68856</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>5000</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>36979</ProgramServiceRevenueAmt>
      <InvestmentIncomeAmt>411</InvestmentIncomeAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="RetDoc4">26466</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>10014</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>16452</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>58842</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>1386</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>50</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>56331</OtherExpensesTotalAmt>
      <TotalExpensesAmt>57767</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>1075</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>129040</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>130115</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>136459</BOYAmt>
        <EOYAmt>137647</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>2446</BOYAmt>
        <EOYAmt>1931</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>138905</BOYAmt>
        <EOYAmt>139578</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>9865</BOYAmt>
        <EOYAmt>9463</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>129040</BOYAmt>
        <EOYAmt>130115</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>FOSTER MUSIC EDUCATION</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PROVIDE HIGH SCHOOL STUDENTS WITH MUSIC INSTRUCTION AND THE OPPORTUNITY TO PERFORM FOR THE PUBLIC AND COMPETE IN LOCAL, REGIONAL, AND NATIONAL COMPETITIONS.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>5000</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>52646</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>52646</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LAUREN HUYCK</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KARENNA AWTRY</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>4.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SHERRY REICHOW</PersonNm>
        <TitleTxt>ASSISTANT TR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KATHRYN LOCKETT</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ANN JOHNSON</PersonNm>
        <TitleTxt>VP BAND-FUND</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CHRISTA STEARN</PersonNm>
        <TitleTxt>VP BAND</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SHRUTI GADKARI</PersonNm>
        <TitleTxt>VP GUITAR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>NAJ QURESHI</PersonNm>
        <TitleTxt>VP ORCHESTRA</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ARIANA GILLETTE</PersonNm>
        <TitleTxt>VP ORCHESTRA</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>RACHELLE BRIGGS</PersonNm>
        <TitleTxt>VP CHORUS</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </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>
      <BooksInCareOfDetail>
        <PersonNm>KARENNA AWTRY</PersonNm>
        <USAddress>
          <AddressLine1Txt>43100 HAY ROAD</AddressLine1Txt>
          <AddressLine2Txt>43100 HAY ROAD</AddressLine2Txt>
          <CityNm>ASHBURN</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>20147</ZIPCd>
        </USAddress>
        <PhoneNum>2083084485</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="RetDoc6">
      <SupportingOrganization509a3Ind>X</SupportingOrganization509a3Ind>
      <SupportingOrgType3FuncIntInd>X</SupportingOrgType3FuncIntInd>
      <SupportedOrganizationsCnt>1</SupportedOrganizationsCnt>
      <SupportedOrgInformationGrp>
        <SupportedOrganizationName>
          <BusinessNameLine1Txt>STONE BRIDGE HIGH SCHOOL</BusinessNameLine1Txt>
          <BusinessNameLine2Txt>STONE BRIDGE HIGH SCHOOL</BusinessNameLine2Txt>
        </SupportedOrganizationName>
        <EIN>546001395</EIN>
        <OrganizationTypeCd>2</OrganizationTypeCd>
        <GoverningDocumentListedInd>true</GoverningDocumentListedInd>
        <SupportAmt>41352</SupportAmt>
        <OtherSupportAmt>0</OtherSupportAmt>
      </SupportedOrgInformationGrp>
      <SupportedOrganizationsTotalCnt>1</SupportedOrganizationsTotalCnt>
      <SupportSumAmt>41352</SupportSumAmt>
      <OtherSupportSumAmt>0</OtherSupportSumAmt>
      <Form990SchASupportingOrgGrp>
        <ListedByNameGoverningDocInd>true</ListedByNameGoverningDocInd>
        <SuprtOrgNoIRSDeterminationInd>false</SuprtOrgNoIRSDeterminationInd>
        <SupportedOrgSectionC456Ind>false</SupportedOrgSectionC456Ind>
        <SupportedOrgNotOrganizedUSInd>false</SupportedOrgNotOrganizedUSInd>
        <OrganizationChangeSuprtOrgInd>false</OrganizationChangeSuprtOrgInd>
        <SupportNonSupportedOrgInd>false</SupportNonSupportedOrgInd>
        <PaymentSubstantialContribtrInd>false</PaymentSubstantialContribtrInd>
        <LoanDisqualifiedPersonInd>false</LoanDisqualifiedPersonInd>
        <ControlledDisqualifiedPrsnInd>false</ControlledDisqualifiedPrsnInd>
        <DisqualifiedPrsnControllIntInd>false</DisqualifiedPrsnControllIntInd>
        <DisqualifiedPrsnOwnrIntInd>false</DisqualifiedPrsnOwnrIntInd>
        <ExcessBusinessHoldingsRulesInd>false</ExcessBusinessHoldingsRulesInd>
        <ContributionControllerInd>false</ContributionControllerInd>
        <ContributionFamilyInd>false</ContributionFamilyInd>
        <Contribution35ControlledInd>false</Contribution35ControlledInd>
      </Form990SchASupportingOrgGrp>
      <Form990SchAType3SprtOrgAllGrp>
        <TimelyProvidedDocumentsInd>true</TimelyProvidedDocumentsInd>
        <OfficersCloseRelationshipInd>true</OfficersCloseRelationshipInd>
        <SupportedOrgVoiceInvestmentInd>true</SupportedOrgVoiceInvestmentInd>
      </Form990SchAType3SprtOrgAllGrp>
      <Form990SchAType3FuncIntGrp>
        <GovernmentalEntityInd>X</GovernmentalEntityInd>
      </Form990SchAType3FuncIntGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION D, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AFFAIRS OF THE CORPORATION SHALL BE MANAGED BY ITS BOARD OF DIRECTORS, WHICH MAY EXERCISE ALL POWERS OF THE CORPORATION. THE BOARD OF DIRECTORS SHALL CONSIST OF UP TO ELEVEN ELECTED OFFICERS AND UP TO FOUR ADVISORY MEMBERS. THE ADVISORY MEMBERS ARE TEACHERS FROM STONEBRIDGE HIGH SCHOOL, (SBHS). EACH ELECTED OFFICER SHALL HAVE ONE VOTE. ADVISORY MEMBERS SHALL NOT BE ENTITLED TO VOTE. THE SUPERINTENDENT OF THE SCHOOL SYSTEM, THE PRINCIPAL OF SBHS, AND ALL INSTRUCTORS OF INSTUMENTAL AND CHORAL PROGRAMS AT SBHS SHALL BE ENCOURAGED TO ATTEND MEETINGS AND SHALL BE WELCOME TO BE HEARD FROM THE FLOOR ON ANY MATTER BEFORE THE SBHS MUSIC BOOSTERS ASSOCIATION, (MBA), WHETHER OR NOT SUCH PERSONS HAVE JOINED AS HONORARY MEMBERS OF THE CORPORATION. SBHS MBA DO NOT OWN ANY INVESTMENTS.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION E, LINE 1C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE STONEBRIDGE MUSIC BOOSTERS ASSOCIATION WAS ORGANIZED EXCLUSIVELY FOR CHARITABLE PURPOSES WITH THE SPECIFIC PURPOSE OF MAKING DISTRIBUTIONS TO AND ON BEHALF OF ORGANIZATIONS THAT QUALIFY AS EXEMPT ORGANIZATIONS, THE SOLE RECIPIENT AND BENEFICIARY OF SAID DISTRIBUTIONS BEING THE STONE BRIDGE HIGH SCHOOL AND ITS AFFILIATED ACTIVITIES.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleG documentId="RetDoc4">
      <FundraisingEventInformationGrp>
        <Event1Nm>TAG DAY</Event1Nm>
        <GrossReceiptsEvent1Amt>12720</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>12720</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>5619</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>12720</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>12720</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>5619</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>5619</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>7101</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc5">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES EXPENSES - MB/WG 23,587 EXPENSES - CONCERT/JAZZ 1,333 EXPENSES - CHORAL 4,338 EXPENSES - ORCHESTRA 5,502 EXPENSES - GUITAR 634 SELLING PLATFORM 349 INSURANCE 1,015 SCC FEES 25 MISCELLANEOUS 2,218 MEALS 2,296 INSTRUCTION AND STAFF 1,320 SCHOLARSHIP 3,000 SUPPLIES 2,464 ATTIRE 3,097 UNITED SOUND 4,638 NON-INVESTMENT DEPRECIATION 515 TOTAL 56,331</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24</FormAndLineReferenceDesc>
        <ExplanationTxt>TIMPANI CART 2,575 2,575 LESS ACCUMULATED DEPRECIATION 129 644 TOTAL 2,446 1,931</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 26</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER LIABILITIES 5,268 7,068 ESCROW 4,597 2,395</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>