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    <ReturnTs>2025-08-08T13:11:52-07:00</ReturnTs>
    <TaxPeriodEndDt>2025-07-31</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-08-01</TaxPeriodBeginDt>
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      <BusinessName>
        <BusinessNameLine1Txt>COSTELLO SCHOOL PARENT TEACHER ORGANIZATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>COST</BusinessNameControlTxt>
      <PhoneNum>2487297230</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1333 Hamman Dr</AddressLine1Txt>
        <CityNm>Troy</CityNm>
        <StateAbbreviationCd>MI</StateAbbreviationCd>
        <ZIPCd>48085</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Christine Tallman</PersonNm>
      <PersonTitleTxt>treasurer</PersonTitleTxt>
      <PhoneNum>2487297230</PhoneNum>
      <SignatureDt>2025-08-08</SignatureDt>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <MembershipDuesAmt>0</MembershipDuesAmt>
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      <SpecialEventsNetIncomeLossAmt>14781</SpecialEventsNetIncomeLossAmt>
      <GrossSalesOfInventoryAmt>0</GrossSalesOfInventoryAmt>
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      <TotalExpensesAmt>3060</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>46275</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>18868</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>-34334</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>30809</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
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        <EOYAmt>30809</EOYAmt>
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      <LandAndBuildingsGrp>
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        <EOYAmt>0</EOYAmt>
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      <PrimaryExemptPurposeTxt>support Costello Elementary School's educational efforts</PrimaryExemptPurposeTxt>
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        <DescriptionProgramSrvcAccomTxt>Classroom Experiences: Various field trips, assemblies, and Positive Behavior and Instructional Supports (PBIS) activities were provided for the students. There were several field trips for each grade (kindergarten through fifth grade), school-wide assemblies, celebrations for the school, camp, graduation and celebrations for fifth graders, and activities involving students and families. It benefits the attending students, approximately 400 students in grades kindergarten through fifth grade.</DescriptionProgramSrvcAccomTxt>
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        <ProgramServiceExpensesAmt>16375</ProgramServiceExpensesAmt>
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      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Classroom Instructional Materials: Supported instructional materials for teaching staff. Each classroom teacher selected materials, books, supplies, and supplementary activities to enhance their classroom. Supplementary supplies such as online reading resources, communication tools, and Scholastic News were provided. Additionally, the art, physical education, and music teachers were provided additional instructional materials and supplies for their programs. The special education and resource room teachers were provided with necessary supplies and instructional materials to enhance their support of students. This benefits the attending students, approximately 400 students in grades kindergarten through fifth.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>13226</ProgramServiceExpensesAmt>
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      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Team-building activities - In order to develop a cohensive and strong community surrounding Costello parents, students, and staff, various activities such as new-family orientation, hospitality, teacher appreciation activities were provided.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>4733</ProgramServiceExpensesAmt>
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      <TotalProgramServiceExpensesAmt>34334</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Jennifer Ford</PersonNm>
        <TitleTxt>Costello PTO President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Angela Cheek</PersonNm>
        <TitleTxt>Costello PTO Vice-President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Katie Monhaut</PersonNm>
        <TitleTxt>Costello PTO Secretary</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Christine Tallman</PersonNm>
        <TitleTxt>Costello PTO Treasurer</TitleTxt>
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      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
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      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
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        <PersonNm>Christine Tallman</PersonNm>
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          <AddressLine1Txt>4470 Harold</AddressLine1Txt>
          <CityNm>Troy</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48085</ZIPCd>
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        <PhoneNum>2487297230</PhoneNum>
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      <ForeignOfficeInd>0</ForeignOfficeInd>
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      <OperateHospitalInd>0</OperateHospitalInd>
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        <Event1Nm>Costello Auction</Event1Nm>
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        <GrossRevenueEvent1Amt>16894</GrossRevenueEvent1Amt>
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        <Event2Nm>Costello Fair</Event2Nm>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>Expenses due to school beautification, donations to middle and high school PTO programs, safety/service squad, treasurer expenses, bank fees and copy work for activities</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 20</FormAndLineReferenceDesc>
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