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    <TaxPeriodEndDt>2021-07-31</TaxPeriodEndDt>
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      <PreparerFirmName>
        <BusinessNameLine1Txt>Eva T Holm CPA</BusinessNameLine1Txt>
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      <PreparerUSAddress>
        <AddressLine1Txt>26 Jordan Ave</AddressLine1Txt>
        <CityNm>San Anselmo</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94960</ZIPCd>
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    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2020-08-01</TaxPeriodBeginDt>
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        <BusinessNameLine1Txt>Hidden Valley PTO</BusinessNameLine1Txt>
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      <BusinessNameControlTxt>HIDD</BusinessNameControlTxt>
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        <AddressLine1Txt>46 Green Valley Court</AddressLine1Txt>
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        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94960</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Dawn Mayer</PersonNm>
      <PersonTitleTxt>Treasurer</PersonTitleTxt>
      <PhoneNum>4154887721</PhoneNum>
      <SignatureDt>2023-01-28</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
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        <PersonFirstNm>Dawn</PersonFirstNm>
        <PersonLastNm>Mayer</PersonLastNm>
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    <PreparerPersonGrp>
      <PreparerPersonNm>Eva T Holm CPA</PreparerPersonNm>
      <PTIN>P00438495</PTIN>
      <PhoneNum>4152970752</PhoneNum>
      <PreparationDt>2023-01-28</PreparationDt>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>0</TrustedCustomerCd>
        <OOBSecurityVerificationCd>00</OOBSecurityVerificationCd>
        <AuthenticationAssuranceLevelCd>AAL1</AuthenticationAssuranceLevelCd>
        <IdentityAssuranceLevelCd>IAL1</IdentityAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2020</TaxYr>
    <BuildTS>2023-03-07 01:45:13Z</BuildTS>
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      <Organization501c3Ind referenceDocumentId="990A">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>40554</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>1313</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>11</InvestmentIncomeAmt>
      <FundraisingGrossIncomeAmt>39230</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>3370</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>35860</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>37184</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>35623</GrantsAndSimilarAmountsPaidAmt>
      <OtherExpensesTotalAmt>1582</OtherExpensesTotalAmt>
      <TotalExpensesAmt>37205</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-21</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>83125</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>83104</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
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        <EOYAmt>100030</EOYAmt>
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      <LandAndBuildingsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
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      <OtherAssetsTotalDetail>
        <BOYAmt>12550</BOYAmt>
        <EOYAmt>1992</EOYAmt>
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      <Form990TotalAssetsGrp>
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        <EOYAmt>102022</EOYAmt>
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      <SumOfTotalLiabilitiesGrp>
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        <EOYAmt>18918</EOYAmt>
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        <BOYAmt>83125</BOYAmt>
        <EOYAmt>83104</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>Promote parentschool interaction</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Fund parent,student and teacher activities</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>35623</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>35623</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Jeanine Dixon</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
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      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Deb Alan</PersonNm>
        <TitleTxt>Vice President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
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      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Emily Nelson</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
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        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Cassandra Morales</PersonNm>
        <TitleTxt>President</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>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>CA</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>Dawn Mayer</PersonNm>
        <USAddress>
          <AddressLine1Txt>46 Green Valley Court</AddressLine1Txt>
          <CityNm>San Anselmo</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94960</ZIPCd>
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        <PhoneNum>4154887721</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>
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      <GiftsGrantsContriRcvd170Grp>
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        <CurrentTaxYearMinus3YearsAmt>3200</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2200</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2540</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1313</CurrentTaxYearAmt>
        <TotalAmt>12144</TotalAmt>
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        <CurrentTaxYearMinus4YearsAmt>2891</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>3200</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2200</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2540</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1313</CurrentTaxYearAmt>
        <TotalAmt>12144</TotalAmt>
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      <PublicSupportTotal170Amt>12144</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>40</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>49</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>44</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>38</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>11</CurrentTaxYearAmt>
        <TotalAmt>182</TotalAmt>
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      <TotalSupportAmt>12326</TotalSupportAmt>
      <PublicSupportCY170Pct>0.98520</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.99310</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
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    <IRS990ScheduleG documentId="990G">
      <FundraisingEventInformationGrp>
        <Event1Nm>Fun Run</Event1Nm>
        <GrossReceiptsEvent1Amt>38712</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>38712</GrossRevenueEvent1Amt>
        <NonCashPrizesEvent1Amt>377</NonCashPrizesEvent1Amt>
        <OtherDirectExpensesEvent1Amt>2832</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>38712</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>38712</GrossRevenueTotalEventsAmt>
        <NonCashPrizesTotalEventsAmt>377</NonCashPrizesTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>2832</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>3209</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>35503</NetIncomeSummaryAmt>
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    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="990O">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>General explanation attachment</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization is late in submitting this return because its non-profit status was revoked. It has since been reinstated. We received notice from the IRS that the paper-filed return could not be accepted and the return had to be filed electronically. The notice we received was dated 01/19/2023 with Letter Number LTR2695C. We were unable to file electronically originally so had paper filed. Please accept this as reasonable cause to avoid assessing any penalties on this organization. Thank you for your consideration in this matter.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>List of grants and similar amounts paid Part I line 10</FormAndLineReferenceDesc>
        <ExplanationTxt>Activity Parent,teacher and student activity Grantee Hidden Valley Elementary School Street 46 Green Valley Court City, State, Zip San Anselmo, CA 94960Amount 35,623</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other expenses Part I line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Description AmountDepreciation from 4562 10,558PTO supplies 1,400Office supplies 182Depreciation allocated to grants (10,558)</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other assets Part II line 24</FormAndLineReferenceDesc>
        <ExplanationTxt>Category Beginning of Year End of YearFixed assets net of accum depr 12,550 1,992</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of total liabilities Part II line 26</FormAndLineReferenceDesc>
        <ExplanationTxt>Category Beginning of Year End of YearRestricted funds payable 27,292 18,918</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>