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        <ProgramServicesAmt>53134</ProgramServicesAmt>
        <ManagementAndGeneralAmt>9071</ManagementAndGeneralAmt>
        <FundraisingAmt>2591</FundraisingAmt>
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        <ProgramServicesAmt>23272</ProgramServicesAmt>
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      <InterestGrp>
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        <ProgramServicesAmt>184941</ProgramServicesAmt>
        <ManagementAndGeneralAmt>31575</ManagementAndGeneralAmt>
        <FundraisingAmt>9025</FundraisingAmt>
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        <ProgramServicesAmt>221264</ProgramServicesAmt>
        <ManagementAndGeneralAmt>33082</ManagementAndGeneralAmt>
        <FundraisingAmt>9452</FundraisingAmt>
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        <TotalAmt>30378</TotalAmt>
        <ManagementAndGeneralAmt>30378</ManagementAndGeneralAmt>
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        <TotalAmt>88565</TotalAmt>
        <ProgramServicesAmt>88565</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>Dues &amp; Fees</Desc>
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        <ProgramServicesAmt>52395</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8337</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>Employee Training</Desc>
        <TotalAmt>50078</TotalAmt>
        <ProgramServicesAmt>50078</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>Student Transportation</Desc>
        <TotalAmt>432</TotalAmt>
        <ProgramServicesAmt>432</ProgramServicesAmt>
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        <TotalAmt>2261620</TotalAmt>
        <ProgramServicesAmt>1890370</ProgramServicesAmt>
        <ManagementAndGeneralAmt>292739</ManagementAndGeneralAmt>
        <FundraisingAmt>78511</FundraisingAmt>
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        <EOYAmt>279991</EOYAmt>
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        <EOYAmt>999604</EOYAmt>
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        <EOYAmt>54868</EOYAmt>
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        <EOYAmt>2033897</EOYAmt>
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        <EOYAmt>51316</EOYAmt>
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      <LandBldgEquipAccumDeprecAmt>68572</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>313863</BOYAmt>
        <EOYAmt>340400</EOYAmt>
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        <EOYAmt>4737564</EOYAmt>
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        <EOYAmt>8497640</EOYAmt>
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        <EOYAmt>29841</EOYAmt>
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      <DeferredRevenueGrp>
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        <EOYAmt>29441</EOYAmt>
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        <EOYAmt>7198754</EOYAmt>
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        <EOYAmt>7258036</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
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        <EOYAmt>1049376</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>150127</BOYAmt>
        <EOYAmt>190228</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>989084</BOYAmt>
        <EOYAmt>1239604</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>7435508</BOYAmt>
        <EOYAmt>8497640</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>250520</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <SchoolInd>X</SchoolInd>
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      <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>
    <IRS990ScheduleD documentId="RetDoc1040000001">
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        <DepreciationAmt>57065</DepreciationAmt>
        <BookValueAmt>318902</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>33005</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>11507</DepreciationAmt>
        <BookValueAmt>21498</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>340400</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>Security Deposit</Desc>
        <BookValueAmt>15868</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>Right of Use Assets</Desc>
        <BookValueAmt>4430108</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>Net Pension Asset</Desc>
        <BookValueAmt>291588</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>4737564</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Payroll Liabilities</Desc>
        <Amt>23705</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Lease Obligations</Desc>
        <Amt>4940270</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Net Pension Liability</Desc>
        <Amt>2234779</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>7198754</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>2519002</TotalRevEtcAuditedFinclStmtAmt>
      <OtherRevenueAmt>6862</OtherRevenueAmt>
      <RevenueNotReportedAmt>6862</RevenueNotReportedAmt>
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      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
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      <ExpensesSubtotalAmt>2261620</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>2261620</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The accounting standard on accounting for uncertainty in income taxes addresses the determination of whether tax benefits claimed or expected to be claimed on a tax return should be recorded in the financial statements. Under that guidance, the School may recognize tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by taxing authorities based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than 50 percent likelihood of being realized upon ultimate settlement. There were no unrecognized tax benefits identified or recorded as liabilities for fiscal year 2023. The School files a Form 990 in the U.S. federal jurisdiction.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Special Event Expenses Netted With Revenue on 990 6,862.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Special Event Expenses Netted With Revenue on 990 6,862.</ExplanationTxt>
      </SupplementalInformationDetail>
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    <IRS990ScheduleE documentId="RetDoc1040400001">
      <NondiscriminatoryPolicyStmtInd>1</NondiscriminatoryPolicyStmtInd>
      <PolicyStmtInBrochuresEtcInd>1</PolicyStmtInBrochuresEtcInd>
      <PlcyPblczdViaBroadcastMediaInd>1</PlcyPblczdViaBroadcastMediaInd>
      <MaintainRacialCompRecsInd>1</MaintainRacialCompRecsInd>
      <MaintainScholarshipsRecsInd>1</MaintainScholarshipsRecsInd>
      <MaintainCpyOfBrochuresEtcInd>1</MaintainCpyOfBrochuresEtcInd>
      <MaintainCpyOfAllSolInd>1</MaintainCpyOfAllSolInd>
      <DiscriminateRaceStdntsRghtsInd>0</DiscriminateRaceStdntsRghtsInd>
      <DiscriminateRaceAdmissPlcyInd>0</DiscriminateRaceAdmissPlcyInd>
      <DiscriminateRaceEmplmFcultyInd>0</DiscriminateRaceEmplmFcultyInd>
      <DiscriminateRaceSchsInd>0</DiscriminateRaceSchsInd>
      <DiscriminateRaceEducPlcyInd>0</DiscriminateRaceEducPlcyInd>
      <DiscriminateRaceUseOfFcltsInd>0</DiscriminateRaceUseOfFcltsInd>
      <DiscriminateRaceAthltProgInd>0</DiscriminateRaceAthltProgInd>
      <DiscriminateRaceOtherActyInd>0</DiscriminateRaceOtherActyInd>
      <GovernmentFinancialAidRcvdInd>1</GovernmentFinancialAidRcvdInd>
      <GovernmentFinancialAidRvkdInd>0</GovernmentFinancialAidRvkdInd>
      <ComplianceWithRevProc7550Ind>1</ComplianceWithRevProc7550Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule E, Part I, Line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>The nondiscriminatory policy is publicized on the organization's website.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule E, Part I, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Lumen High School is a public school and receives local, state, and federal funds from government institutions.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleE>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>IL-LUMEN-ATE The Night</Event1Nm>
        <GrossReceiptsEvent1Amt>23945</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>8675</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>15270</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>6862</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>23945</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>8675</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>15270</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>6862</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>6862</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>8408</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is provided to the board of directors for review at least 48 hours prior to filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board annually certifies compliance with the conflict of interest policy, including the completion of an F-1 Public Financial Disclosure form.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board determines compensation for the Executive Director and key employees and reviews annually.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Governing documents are available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>The financial statement review process has not changed from the prior year.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
