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      <FundraisingDirectExpensesAmt>61223</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>-19223</TotalRevenueColumnAmt>
        <ExclusionAmt>-19223</ExclusionAmt>
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        <TotalRevenueColumnAmt>11988511</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>10532240</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
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        <ProgramServicesAmt>2278140</ProgramServicesAmt>
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      <CompCurrentOfcrDirectorsGrp>
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        <ProgramServicesAmt>96849</ProgramServicesAmt>
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        <FundraisingAmt>10405</FundraisingAmt>
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        <ProgramServicesAmt>423308</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>FACILITIES AND EQUIP.</Desc>
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        <FundraisingAmt>8665</FundraisingAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>221684</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>BAD DEBT</Desc>
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        <ManagementAndGeneralAmt>210115</ManagementAndGeneralAmt>
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        <TotalAmt>157198</TotalAmt>
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        <ProgramServicesAmt>10924533</ProgramServicesAmt>
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        <EOYAmt>13449</EOYAmt>
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        <EOYAmt>56508751</EOYAmt>
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        <EOYAmt>197528</EOYAmt>
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        <EOYAmt>81388</EOYAmt>
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      <TotalAssetsGrp>
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        <EOYAmt>1214762</EOYAmt>
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        <EOYAmt>0</EOYAmt>
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        <EOYAmt>11533224</EOYAmt>
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        <EOYAmt>47211862</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
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        <EOYAmt>317028</EOYAmt>
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        <EOYAmt>47528890</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>59062114</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>-714308</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>31779</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleA documentId="RetDoc1039100001">
      <SchoolInd>X</SchoolInd>
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    <IRS990ScheduleB documentId="RetDoc1234500001">
      <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>
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        <EndYearBalanceAmt>236728</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
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        <EndYearBalanceAmt>236728</EndYearBalanceAmt>
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      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>236728</BeginningYearBalanceAmt>
        <EndYearBalanceAmt>236728</EndYearBalanceAmt>
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        <ContributionsAmt>126765</ContributionsAmt>
        <EndYearBalanceAmt>236728</EndYearBalanceAmt>
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      <CYMinus4YrEndwmtFundGrp>
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        <ContributionsAmt>59963</ContributionsAmt>
        <EndYearBalanceAmt>109963</EndYearBalanceAmt>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <OtherExpensesIncludedAmt>-2216917</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>-2216917</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>12702819</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>TO SUPPORT TUITION ASSISTANCE FOR FAMILIES AND FACULTY COMPENSATION AND BENEFITS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL IS EXEMPT FROM INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE ("IRC"), EXCEPT FOR UNRELATED BUSINESS INCOME, AS DEFINED BY THE IRC. THE SCHOOL DID NOT HAVE ANY UNRELATED BUSINESS INCOME DURING THE YEAR ENDED JUNE 30, 2025. ACCORDINGLY, THESE STATEMENTS DO NOT REFLECT A PROVISION FOR INCOME TAXES. THE SCHOOL IS REQUIRED TO FILE, AND DOES FILE, TAX RETURNS WITH THE INTERNAL REVENUE SERVICE ("IRS") AND OTHER TAXING AUTHORITIES. TAX RETURNS FILED BY THE SCHOOL ARE SUBJECT TO EXAMINATION BY THE IRS FOR A PERIOD OF THREE YEARS. WHILE NO INCOME TAX RETURNS ARE CURRENTLY BEING EXAMINED BY THE IRS, TAX YEARS SINCE 2022 REMAIN OPEN. THE SCHOOL HAS ADOPTED THE INCOME TAX STANDARD FOR UNCERTAIN INCOME TAX POSITIONS. DURING THE YEAR ENDED JUNE 30, 2025, THE SCHOOL DID NOT IDENTIFY ANY UNCERTAIN TAX POSITIONS THAT QUALIFY FOR EITHER RECOGNITION OR DISCLOSURE IN THE FINANCIAL STATEMENTS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
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      <PlcyPblczdViaBroadcastMediaInd>1</PlcyPblczdViaBroadcastMediaInd>
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      <MaintainScholarshipsRecsInd>1</MaintainScholarshipsRecsInd>
      <MaintainCpyOfBrochuresEtcInd>1</MaintainCpyOfBrochuresEtcInd>
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        <FoodAndBeverageTotalEventsAmt>40621</FoodAndBeverageTotalEventsAmt>
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        <FormAndLineReferenceDesc>PART I, COLUMN (B):</FormAndLineReferenceDesc>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>PHIL O'BEIRNE AND MARGARET WHITE HAVE A FAMILY RELATIONSHIP.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>OAKCREST HAS A BOARD OF TRUSTEES, IN ADDITION TO THE BOARD OF DIRECTORS, WHO HAVE RESPONSIBILITY TO APPOINT MEMBERS OF THE BOARD OF DIRECTORS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>OAKCREST HAS A BOARD OF TRUSTEES, IN ADDITION TO THE BOARD OF DIRECTORS, WHO HAVE RESPONSIBILITY TO APPROVE CERTAIN GOVERNING BODY DECISIONS INVOLVING THE PROPOSED SALE OR OTHER DISPOSITION OF ANY SUBSTANTIAL ASSETS OF OAKCREST, INCLUDING ANY REAL PROPERTY OWNED BY OAKCREST, AND ANY TRANSACTION REQUIRING THE MORTGAGE, PLEDGE, ENCUMBRANCE, OR HYPOTHECATION OF SUBSTANTIAL ASSETS OF OAKCREST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY THE CFO AND THE BOARD BEFORE IT IS FILED WITH THE IRS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS REVIEWS THE CONFLICT OF INTEREST POLICY ANNUALLY. ANY DISCLOSED CONFLICTS ARE REVIEWED BY AN INDEPENDENT BODY OF THE BOARD, AS APPROPRIATE. INDIVIDUALS WITH A DISCLOSED CONFLICT ARE RECUSED FROM DELIBERATIONS AND VOTING ON RELATED MATTERS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS APPROVES THE HEAD OF SCHOOL'S COMPENSATION AS PART OF PREPARING THE SCHOOL'S ANNUAL BUDGET. THE BOARD OF DIRECTORS REVIEWS COMPENSATION FROM OTHER ORGANIZATIONS THAT ARE SIMILAR IN SIZE AND MISSION TO OAKCREST SCHOOL.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>OAKCREST SCHOOL MAKES ITS FORM 1023 AND FORM 990 AVAILABLE UPON WRITTEN REQUEST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>OAKCREST SCHOOL MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON WRITTEN REQUEST.</ExplanationTxt>
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