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    <ReturnTs>2025-03-17T02:12:13Z</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>854397884</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>PENNSBURY O M ASSOCIATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>PENN</BusinessNameControlTxt>
      <PhoneNum>2153806248</PhoneNum>
      <USAddress>
        <AddressLine1Txt>821 HUDSON DRIVE</AddressLine1Txt>
        <CityNm>YARDLEY</CityNm>
        <StateAbbreviationCd>PA</StateAbbreviationCd>
        <ZIPCd>19067</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Richard J Fox</PersonNm>
      <PersonTitleTxt>President and Finance Director</PersonTitleTxt>
      <PhoneNum>2153806248</PhoneNum>
      <SignatureDt>2025-03-16</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>https://www.pennsburyom.com</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="ScheduleA" referenceDocumentName="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationAssocInd>X</TypeOfOrganizationAssocInd>
      <GrossReceiptsAmt>57018</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>43230</ContributionsGiftsGrantsEtcAmt>
      <MembershipDuesAmt>11000</MembershipDuesAmt>
      <InvestmentIncomeAmt>12547</InvestmentIncomeAmt>
      <OtherRevenueTotalAmt>1534</OtherRevenueTotalAmt>
      <TotalRevenueAmt>68311</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>18410</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>1935</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>923</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>2768</PrintingPublicationsPostageAmt>
      <TotalExpensesAmt>24036</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>44275</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>225175</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>269450</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>225175</BOYAmt>
        <EOYAmt>269450</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>0</BOYAmt>
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        <BOYAmt>225175</BOYAmt>
        <EOYAmt>269450</EOYAmt>
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      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
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      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>225175</BOYAmt>
        <EOYAmt>269450</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>School Education Program</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>These expenses included our annual insurance, coaching supplies and food (donuts/coffee) for 5 events throughout 2024. &gt;75 people participated</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>1935</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>These expenses covered our marketing of the program (lawn signs, website fees, t-shorts, other</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>2768</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>These expenses covered competition fees for students, including purchasing of the initial long-term problem sets, registration costs, as well as covered travel costs for family members to attend either the PA state competition and/or World competition. Overall &gt;75 people benefited</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>18410</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>23113</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Richard Fox</PersonNm>
        <TitleTxt>President and Finance Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>7.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Deirdre Redel</PersonNm>
        <TitleTxt>Promotion Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Morayea Pindziak</PersonNm>
        <TitleTxt>Social Media Coordinator</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">John Wus</PersonNm>
        <TitleTxt>Logistics Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</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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      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
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      <StatesWhereCopyOfReturnIsFldCd>PA</StatesWhereCopyOfReturnIsFldCd>
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        <PersonNm>Richard Fox</PersonNm>
        <USAddress>
          <AddressLine1Txt>821 Hudson Drive</AddressLine1Txt>
          <CityNm>Yardley</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19067</ZIPCd>
        </USAddress>
        <PhoneNum>2153806248</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>
      <OtherEmployeePaidOver100kCnt>0</OtherEmployeePaidOver100kCnt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
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      <OtherSupportSumAmt>0</OtherSupportSumAmt>
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        <CurrentTaxYearMinus4YearsAmt>4900</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>99780</CurrentTaxYearMinus3YearsAmt>
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        <CurrentTaxYearAmt>54230</CurrentTaxYearAmt>
        <TotalAmt>346909</TotalAmt>
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        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
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        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
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      <Total509Grp>
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        <CurrentTaxYearMinus3YearsAmt>99780</CurrentTaxYearMinus3YearsAmt>
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        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
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        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
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        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>8552</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>12547</CurrentTaxYearAmt>
        <TotalAmt>21099</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <Post1975UBTIGrp>
        <TotalAmt>0</TotalAmt>
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      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>8552</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>12547</CurrentTaxYearAmt>
        <TotalAmt>21099</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <NetIncomeFromOtherUBIGrp>
        <TotalAmt>0</TotalAmt>
      </NetIncomeFromOtherUBIGrp>
      <OtherIncome509Grp>
        <TotalAmt>0</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>4900</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>99780</CurrentTaxYearMinus3YearsAmt>
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        <CurrentTaxYearMinus1YearAmt>97562</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>66777</CurrentTaxYearAmt>
        <TotalAmt>368008</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <First5Years509Ind>X</First5Years509Ind>
      <PublicSupportCY509Pct>0.94270</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.97160</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.05730</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.02840</InvestmentIncomePYPct>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>Schedule A, Part III, Line 1</FormAndLineReferenceDesc>
        <ExplanationTxt>Please note: the last 4 years have had abnormally large donations in an effort to build a sustainable future for the program. We anticipate contributions and membership dues will not exceed 50 thousand dollars in 2025.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 10</FormAndLineReferenceDesc>
        <ExplanationTxt>Part 1, Line 10. Subsidies paid to team members to participate and travel in competitions</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 8</FormAndLineReferenceDesc>
        <ExplanationTxt>Part 1, Line 16. IRS penalty paid ($1500) for late 2022 tax filing was reversed and reimbursed, including $34 in interest income.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
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