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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
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        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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      <InvstProgramRelatedOrgGrp>
        <Desc>BONDS RECEIVABLE</Desc>
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        <MethodValuationCd>C</MethodValuationCd>
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        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>ENDOWMENT FUNDS ARE HELD FOR THE SUPPORT OF MASTERY CHARTER SCHOOLS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION ACCOUNTS FOR UNCERTAINTY IN INCOME TAXES IN ACCORDANCE WITH ASC TOPIC, INCOME TAXES. THIS STANDARD CLARIFIES THE ACCOUNTING FOR UNCERTAINTY IN TAX POSITIONS AND PRESCRIBES A RECOGNITION THRESHOLD AND MEASUREMENT ATTRIBUTE FOR THE CONSOLIDATED FINANCIAL STATEMENTS REGARDING A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN. THE ORGANIZATION HAS DETERMINED THAT THERE ARE NO UNCERTAIN TAX POSITIONS WHICH QUALIFY FOR EITHER RECOGNITION OR DISCLOSURE IN THE CONSOLIDATED FINANCIAL STATEMENTS AT JUNE 30, 2025 AND 2024.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>INVESTMENT MANAGEMENT FEES NETTED ON FINANCIAL STATEMENTS -115,708.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
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      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RENTAL EXPENSES 376,208.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>INVESTMENT MANAGEMENT FEES NETTED ON FINANCIAL STATEMENTS 115,708.</ExplanationTxt>
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    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>0</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MASTERY CHARTER HIGH SCHOOL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>35 SOUTH 4TH STREET</AddressLine1Txt>
          <CityNm>PHILADELPHIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19106</ZIPCd>
        </USAddress>
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        <CashGrantAmt>1219193</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>CHARTER SCHOOL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MASTERY CHARTER SCHOOL - SMEDLEY ELEMENTARY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1790 BRIDGE STREET</AddressLine1Txt>
          <CityNm>PHILADELPHIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19124</ZIPCd>
        </USAddress>
        <RecipientEIN>272575502</RecipientEIN>
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        <PurposeOfGrantTxt>CHARTER SCHOOL SUPPORT</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MASTERY CHARTER SCHOOL - MANN ELEMENTARY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>57376 W BERKS STREET</AddressLine1Txt>
          <CityNm>PHILADELPHIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19131</ZIPCd>
        </USAddress>
        <RecipientEIN>272575568</RecipientEIN>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>CHARTER SCHOOL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>HARDY WILLIAMS ACADEMY CHARTER SCHOOL</BusinessNameLine1Txt>
        </RecipientBusinessName>
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          <AddressLine1Txt>5400 WARRINGTON AVE</AddressLine1Txt>
          <CityNm>PHILADELPHIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19143</ZIPCd>
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        <PurposeOfGrantTxt>CHARTER SCHOOL SUPPORT</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>GROVER CLEVELAND MASTERY CHARTER SCHOOL</BusinessNameLine1Txt>
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          <AddressLine1Txt>5700 WAYNE AVENUE</AddressLine1Txt>
          <CityNm>PHILADELPHIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19144</ZIPCd>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MASTERY CHARTER SCHOOL - PICKETT CAMPUS</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>5700 WAYNE AVENUE</AddressLine1Txt>
          <CityNm>PHILADELPHIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19144</ZIPCd>
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        <PurposeOfGrantTxt>CHARTER SCHOOL SUPPORT</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MASTERY CHARTER SCHOOL - GRATZ CAMPUS</BusinessNameLine1Txt>
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          <AddressLine1Txt>1798 W HUNGTING PARK AVENUE</AddressLine1Txt>
          <CityNm>PHILADELPHIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
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        <PurposeOfGrantTxt>CHARTER SCHOOL SUPPORT</PurposeOfGrantTxt>
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      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MASTERY CHARTER SCHOOL - WISTER CAMPUS</BusinessNameLine1Txt>
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          <AddressLine1Txt>67 E BRINGHURST STREET</AddressLine1Txt>
          <CityNm>PHILADELPHIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
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      <RecipientTable>
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          <BusinessNameLine1Txt>MASTERY CHARTER SCHOOL - CLYMER ELEMENTARY</BusinessNameLine1Txt>
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          <BusinessNameLine1Txt>MASTERY CHARTER SCHOOL - HARRITY CAMPUS</BusinessNameLine1Txt>
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          <CityNm>PHILADELPHIA</CityNm>
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        <PurposeOfGrantTxt>CHARTER SCHOOL SUPPORT</PurposeOfGrantTxt>
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          <BusinessNameLine1Txt>MASTERY CHARTER SCHOOL - FREDERICK DOUGLASS CAMPUS</BusinessNameLine1Txt>
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          <AddressLine1Txt>2118 W NORRIS STREET</AddressLine1Txt>
          <CityNm>PHILADELPHIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
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        <GrantTypeTxt>SCHOLARSHIPS</GrantTypeTxt>
        <RecipientCnt>151</RecipientCnt>
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        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION GRANTS FUNDS ONLY TO MASTERY SCHOOLS AND QUALIFIED INSTITUTIONS. ALL GRANTS ARE APPROVED BY THE BOARD OF DIRECTORS.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS REVIEWS AND APPROVES THE FORM 990 PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS ARE COVERED BY A CONFLICT OF INTEREST POLICY WHICH IS REVIEWED ANNUALLY BY THE BOARD MEMBERS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
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        <EndOfYearAssetsAmt>36176432</EndOfYearAssetsAmt>
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          <BusinessNameLine1Txt>MASTERY CHARTER SCHOOLS FOUNDATION</BusinessNameLine1Txt>
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