﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.irs.gov/efile" returnVersion="2025v4.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-08-21T20:03:41-04:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>061362946</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>Yale Model Congress Association Inc</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>YALE</BusinessNameControlTxt>
      <PhoneNum>4844311893</PhoneNum>
      <USAddress>
        <AddressLine1Txt>206 Elm St 206154</AddressLine1Txt>
        <CityNm>New Haven</CityNm>
        <StateAbbreviationCd>CT</StateAbbreviationCd>
        <ZIPCd>06511</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Kyler Parker</PersonNm>
      <PersonTitleTxt>Treasurer Emeritus</PersonTitleTxt>
      <PhoneNum>4844311893</PhoneNum>
      <SignatureDt>2026-08-24</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="IRS990EZ" softwareId="25022704" softwareVersionNum="V2.0" documentName="IRS990EZ" referenceDocumentName="IRS990ScheduleO ReasonableCauseExplanation TransfersPersonalBenefitsContractsDeclaration BinaryAttachment">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>yalemc. org</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="IRS990ScheduleA1" referenceDocumentName="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>106087</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ProgramServiceRevenueAmt>86625</ProgramServiceRevenueAmt>
      <InvestmentIncomeAmt>9</InvestmentIncomeAmt>
      <SaleOfAssetsGrossAmt>0</SaleOfAssetsGrossAmt>
      <CostOrOtherBasisExpenseSaleAmt>0</CostOrOtherBasisExpenseSaleAmt>
      <GainOrLossFromSaleOfAssetsAmt>0</GainOrLossFromSaleOfAssetsAmt>
      <GamingGrossIncomeAmt referenceDocumentName="IRS990ScheduleG">0</GamingGrossIncomeAmt>
      <FundraisingGrossIncomeAmt fndrsngEventContriPrevRptAmt="0" referenceDocumentName="IRS990ScheduleG">0</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>0</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>0</SpecialEventsNetIncomeLossAmt>
      <GrossSalesOfInventoryAmt>19453</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>14078</CostOfGoodsSoldAmt>
      <GrossProfitLossSlsOfInvntryAmt>5375</GrossProfitLossSlsOfInvntryAmt>
      <TotalRevenueAmt>92009</TotalRevenueAmt>
      <BenefitsPaidToOrForMembersAmt>0</BenefitsPaidToOrForMembersAmt>
      <SalariesOtherCompEmplBnftAmt>2536</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>1105</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>1665</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>12630</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>73647</OtherExpensesTotalAmt>
      <TotalExpensesAmt>91583</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>426</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>79895</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>80321</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>79895</BOYAmt>
        <EOYAmt>80321</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandAndBuildingsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>79895</BOYAmt>
        <EOYAmt>80321</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>79895</BOYAmt>
        <EOYAmt>80321</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>Educating high school students about civic engagement</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Our primary program is a four-day long model government simulation for over 500 high school students. They come to New Haven to write and present bills gaining confidence in their personal speaking skills argumentation and opinions all while receiving an encouraging experience in civic engagement. Every year the students advisors give us positive feedback on behalf of their students.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>91583</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>91583</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Lukas Koutsoukos</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Olivia Xu</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Estelle Gerber</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</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>
      <OrganizationDissolvedEtcInd referenceDocumentName="IRS990ScheduleN BinaryAttachment">false</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd referenceDocumentName="IRS990ScheduleL">false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>CT</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>Olivia Xu</PersonNm>
        <USAddress>
          <AddressLine1Txt>206 ELM ST</AddressLine1Txt>
          <AddressLine2Txt>UNIT 206154</AddressLine2Txt>
          <CityNm>NEW HAVEN</CityNm>
          <StateAbbreviationCd>CT</StateAbbreviationCd>
          <ZIPCd>06520</ZIPCd>
        </USAddress>
        <PhoneNum>7372421474</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>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="IRS990ScheduleA1" documentName="IRS990ScheduleA">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>900</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3800</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>4700</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>14640</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>53965</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>63885</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>58759</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>106078</CurrentTaxYearAmt>
        <TotalAmt>297327</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <GrossReceiptsNonUnrltBusGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </GrossReceiptsNonUnrltBusGrp>
      <TaxRevLeviedOrgnztnlBnft509Grp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </TaxRevLeviedOrgnztnlBnft509Grp>
      <GovtFurnSrvcFcltsVl509Grp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </GovtFurnSrvcFcltsVl509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>14640</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>54865</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>67685</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>58759</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>106078</CurrentTaxYearAmt>
        <TotalAmt>302027</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>302027</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>3</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>10</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>70</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>9</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>9</CurrentTaxYearAmt>
        <TotalAmt>101</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <Post1975UBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </Post1975UBTIGrp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>3</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>10</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>70</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>9</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>9</CurrentTaxYearAmt>
        <TotalAmt>101</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <NetIncomeFromOtherUBIGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </NetIncomeFromOtherUBIGrp>
      <OtherIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>14643</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>54875</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>67755</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>58768</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>106087</CurrentTaxYearAmt>
        <TotalAmt>302128</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.9997</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.9996</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.0003</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.0004</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="IRS990ScheduleO1" documentName="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>| Other Expenses:, Amount:| Conference venue hotel Omni Hotel New Haven, $28402| Conference operations, $26316| Conference branded supplies 4Imprint Vistaprint engraving awards Wayfair, $6574| Vendor payments, $2780| Conference meals, $2207| Transportation uber lyft, $2038| Officer expense reimbursements, $1805| Volunteer expense reimbursements, $1298| Technology software subscriptions, $1152| Performer fees keynote honorarium, $850| Yale university venue charges, $200| Bank wire fees, $25|</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>