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    <ReturnTs>2026-01-13T19:11:13Z</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>274355651</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>WILLIAM DIAMOND JUNIOR FIFE &amp; DRUM CORPS INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>WILL</BusinessNameControlTxt>
      <PhoneNum>7814912922</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 162</AddressLine1Txt>
        <CityNm>Lexington</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02420</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Judd Liebman</PersonNm>
      <PersonTitleTxt>Treasurer</PersonTitleTxt>
      <PhoneNum>7814912922</PhoneNum>
      <SignatureDt>2026-01-03</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>https://www.williamdiamondjrs.org/</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="ScheduleA" referenceDocumentName="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>70545</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
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      <ProgramServiceRevenueAmt>24770</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>25465</MembershipDuesAmt>
      <InvestmentIncomeAmt>157</InvestmentIncomeAmt>
      <SaleOfAssetsGrossAmt>420</SaleOfAssetsGrossAmt>
      <CostOrOtherBasisExpenseSaleAmt>0</CostOrOtherBasisExpenseSaleAmt>
      <GainOrLossFromSaleOfAssetsAmt>420</GainOrLossFromSaleOfAssetsAmt>
      <FundraisingGrossIncomeAmt referenceDocumentName="IRS990ScheduleG">7074</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>8642</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>-1568</SpecialEventsNetIncomeLossAmt>
      <OtherRevenueTotalAmt>163</OtherRevenueTotalAmt>
      <TotalRevenueAmt>61903</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>24530</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>9655</OccupancyRentUtltsAndMaintAmt>
      <OtherExpensesTotalAmt>4723</OtherExpensesTotalAmt>
      <TotalExpensesAmt>38908</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>22995</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>95021</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>-2240</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>115776</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>99303</BOYAmt>
        <EOYAmt>122654</EOYAmt>
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      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
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      <OtherAssetsTotalDetail>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>715</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>99303</BOYAmt>
        <EOYAmt>123369</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>4282</BOYAmt>
        <EOYAmt>7593</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>95021</BOYAmt>
        <EOYAmt>115776</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>The William Diamond Junior Fife &amp; Drum Corps is designed to promote the study of both music and history among young people in Eastern Massachusetts, to perpetuate the traditions of fife and drum music, and to foster the spirit of fellowship among Americans through music.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Provide musical instruction to members</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>38908</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Organize and host the annual Lexington Muster</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>2543</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>8641</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>47549</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Susan Rubenstein</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Carmin Calabrese</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Tanya Morrisett</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Judd Liebman</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Amy Armitage</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Haritha Treadway</PersonNm>
        <TitleTxt>Clerk</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>3.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd referenceDocumentName="IRS990ScheduleC">false</SubjectToProxyTaxInd>
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      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
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      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>MA</StatesWhereCopyOfReturnIsFldCd>
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        <PersonNm>Judd Liebman</PersonNm>
        <USAddress>
          <AddressLine1Txt>PO Box 162</AddressLine1Txt>
          <CityNm>Lexington</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02420</ZIPCd>
        </USAddress>
        <PhoneNum>7814912922</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd referenceDocumentName="IRS990ScheduleC">false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentName="IRS990ScheduleC">false</LobbyingActivitiesInd>
      <SchoolOperatingInd referenceDocumentName="IRS990ScheduleE">false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <RelatedOrgSect527OrgInd>false</RelatedOrgSect527OrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <OtherEmployeePaidOver100kCnt>0</OtherEmployeePaidOver100kCnt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="ScheduleA" documentName="IRS990ScheduleA">
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      <SupportedOrganizationsTotalCnt>0</SupportedOrganizationsTotalCnt>
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      <OtherSupportSumAmt>0</OtherSupportSumAmt>
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        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>37761</CurrentTaxYearAmt>
        <TotalAmt>37761</TotalAmt>
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        <TotalAmt>24770</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
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        <TotalAmt>7857</TotalAmt>
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      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
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        <TotalAmt>70388</TotalAmt>
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        <TotalAmt>0</TotalAmt>
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        <TotalAmt>0</TotalAmt>
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      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
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      <PublicSupportTotal509Amt>70388</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearAmt>157</CurrentTaxYearAmt>
        <TotalAmt>157</TotalAmt>
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      <Post1975UBTIGrp>
        <TotalAmt>0</TotalAmt>
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      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
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        <TotalAmt>157</TotalAmt>
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        <TotalAmt>0</TotalAmt>
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        <TotalAmt>0</TotalAmt>
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        <TotalAmt>70545</TotalAmt>
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      <First5Years509Ind>X</First5Years509Ind>
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      <PublicSupportPY509Pct>0.00000</PublicSupportPY509Pct>
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      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
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        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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    <IRS990ScheduleO documentId="ScheduleO" documentName="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>$1,776 paid for equipment (uniforms and instruments) purchases, $2,125 for general business expenses (Insurance, bank fees, tax filing, software licenses/subscriptions, and registration fees), and $821 paid for local travel expenses (bus rentals)</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 20</FormAndLineReferenceDesc>
        <ExplanationTxt>$715 increase in receivables offset by increases in prepaid revenue (dues and travel deposits for 2026) and an increase in outstanding payroll checks uncashede</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 8</FormAndLineReferenceDesc>
        <ExplanationTxt>$163 refund of bank fees from a vendor</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part II, Line 24</FormAndLineReferenceDesc>
        <ExplanationTxt>$715 in dues receivable</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part II, Line 26</FormAndLineReferenceDesc>
        <ExplanationTxt>Liabilities include prepaid membership dues and travel deposits for 2026, along with uncashed payroll &amp; other payment checks</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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