﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:sfsmef="http://www.cchsfs.com/efile/mef" returnVersion="2024v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-10-06T17:22:59-07:00</ReturnTs>
    <TaxPeriodEndDt>2025-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>208461801</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>RIVERA ACCOUNTANCY LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>1016 10TH STREET</AddressLine1Txt>
        <CityNm>SNOHOMISH</CityNm>
        <StateAbbreviationCd>WA</StateAbbreviationCd>
        <ZIPCd>98290</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>570782840</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>CONCRETE PRIMARY SCHOOL PTSO</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>CONC</BusinessNameControlTxt>
      <USAddress>
        <AddressLine1Txt>535 POWDERVILLE MAIN</AddressLine1Txt>
        <CityNm>EASLEY</CityNm>
        <StateAbbreviationCd>SC</StateAbbreviationCd>
        <ZIPCd>29642</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>DANIELLE SMITH</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>8434754501</PhoneNum>
      <SignatureDt>2025-10-06</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>LAURA DENNIS RIVERA</PreparerPersonNm>
      <PTIN>P00488720</PTIN>
      <PhoneNum>3608632306</PhoneNum>
      <PreparationDt>2025-09-30</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="3" softwareId="24020071">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <Organization501c3Ind referenceDocumentId="1">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>32774</GrossReceiptsAmt>
      <MembershipDuesAmt>1797</MembershipDuesAmt>
      <InvestmentIncomeAmt>42</InvestmentIncomeAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="2">30935</FundraisingGrossIncomeAmt>
      <SpecialEventsNetIncomeLossAmt>30935</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>32774</TotalRevenueAmt>
      <BenefitsPaidToOrForMembersAmt>32338</BenefitsPaidToOrForMembersAmt>
      <FeesAndOtherPymtToIndCntrctAmt>450</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>188</PrintingPublicationsPostageAmt>
      <TotalExpensesAmt>32976</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-202</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>53893</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>53691</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>53893</BOYAmt>
        <EOYAmt>53691</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>53893</BOYAmt>
        <EOYAmt>53691</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>53893</BOYAmt>
        <EOYAmt>53691</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>PTSO PRIMARY SCHOOL</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PTSO PROVIDES TEACHERS WITH FUNDS TO USE ON SUPPLIES AND BOOKS FOR CLASSROOM AND TEACHER APPRECIATIONS</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>22092</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>SCHOOL UPGRADES/IMPROVEMENTS</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>1946</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PTSO PROVIDED HOMEROOM TEACHERS WITH FUNDS TO SUPPLEMENT EDUCATIONAL FIELD TRIPS DURING SCHOOL YEAR AND STUDENT PROGRAMS</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>7742</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>31780</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JORDAN ELLENBERG</PersonNm>
        <TitleTxt>CO PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>VICTORIA ELLENBERG</PersonNm>
        <TitleTxt>CO PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>AMANDA BROWN</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DANIELLE SMITH</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>AMANDA HELM</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>DANIELLE SMITH</PersonNm>
        <USAddress>
          <AddressLine1Txt>535 POWDERSVILLE MAIN</AddressLine1Txt>
          <CityNm>EASLEY</CityNm>
          <StateAbbreviationCd>SC</StateAbbreviationCd>
          <ZIPCd>29642</ZIPCd>
        </USAddress>
        <PhoneNum>8434754501</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="1" softwareId="24020071">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <SupportSumAmt>0</SupportSumAmt>
      <OtherSupportSumAmt>0</OtherSupportSumAmt>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>30322</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>38366</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>65007</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>51107</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>32934</CurrentTaxYearAmt>
        <TotalAmt>217736</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>30322</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>38366</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>65007</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>51107</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>32934</CurrentTaxYearAmt>
        <TotalAmt>217736</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>217736</PublicSupportTotal509Amt>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>30322</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>38366</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>65007</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>51107</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>32934</CurrentTaxYearAmt>
        <TotalAmt>217736</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>1.00000</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleG documentId="2" softwareId="24020071">
      <FundraisingEventInformationGrp>
        <Event1Nm>CHIRP IN</Event1Nm>
        <GrossReceiptsEvent1Amt>14557</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>14557</GrossRevenueEvent1Amt>
        <Event2Nm>CARNIVAL</Event2Nm>
        <GrossReceiptsEvent2Amt>12544</GrossReceiptsEvent2Amt>
        <GrossRevenueEvent2Amt>12544</GrossRevenueEvent2Amt>
        <OtherEventsTotalCnt>3</OtherEventsTotalCnt>
        <GrossReceiptsOtherEventsAmt>3834</GrossReceiptsOtherEventsAmt>
        <GrossRevenueOtherEventsAmt>3834</GrossRevenueOtherEventsAmt>
        <GrossReceiptsTotalAmt>30935</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>30935</GrossRevenueTotalEventsAmt>
        <NetIncomeSummaryAmt>30935</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
  </ReturnData>
</Return>