﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2024v5.2" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-08-14T10:42:58-07:00</ReturnTs>
    <TaxPeriodEndDt>2025-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>474242498</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Mark Mumm CPA</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>12655 Fiori Lane</AddressLine1Txt>
        <CityNm>Sebastopol</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>95472</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>680268222</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MARY E SILVEIRA HOME AND SCHOOL ASSN</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MARY</BusinessNameControlTxt>
      <PhoneNum>4154923741</PhoneNum>
      <USAddress>
        <AddressLine1Txt>375 BLACKSTONE DRIVE</AddressLine1Txt>
        <CityNm>SAN RAFAEL</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94903</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JAIME DREIKOSEN</PersonNm>
      <PersonTitleTxt>Treasurer</PersonTitleTxt>
      <SignatureDt>2025-08-14</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>Mark Mumm</PreparerPersonNm>
      <PTIN>P01765746</PTIN>
      <PhoneNum>4154533341</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="IRS990EZ" referenceDocumentId="TransfersPersonalBenefitsContr IRS990ScheduleO" softwareId="24020490" softwareVersionNum="2024v5.2">
      <GroupExemptionNum>3042</GroupExemptionNum>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.MARYSILVEIRA.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationAssocInd>X</TypeOfOrganizationAssocInd>
      <GrossReceiptsAmt>95380</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>90385</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>4234</ProgramServiceRevenueAmt>
      <InvestmentIncomeAmt>761</InvestmentIncomeAmt>
      <CostOrOtherBasisExpenseSaleAmt>0</CostOrOtherBasisExpenseSaleAmt>
      <FundraisingGrossIncomeAmt fndrsngEventContriPrevRptAmt="63862" referenceDocumentId="IRS990ScheduleG">0</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>11292</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>-11292</SpecialEventsNetIncomeLossAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
      <TotalRevenueAmt>84088</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>7500</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>1050</FeesAndOtherPymtToIndCntrctAmt>
      <OtherExpensesTotalAmt>64585</OtherExpensesTotalAmt>
      <TotalExpensesAmt>73135</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>10953</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>48563</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>92</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>59608</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>48335</BOYAmt>
        <EOYAmt>57649</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>228</BOYAmt>
        <EOYAmt>2259</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>48563</BOYAmt>
        <EOYAmt>59908</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <EOYAmt>300</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>48563</BOYAmt>
        <EOYAmt>59608</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>SUPPORT EDUCATIONAL ENRICHMENT PROGRAMS.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PROVIDE SUPPORT TO MILLER CREEK SCHOOL DISTRICT AND CAN DO EDUCATION FOUNDATION FOR TECHNOLOGY, EDUCATIONAL, ART, AND AFTER SCHOOL PROGRAMS.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>7500</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>71624</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>71624</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>HILARY MIZE</PersonNm>
        <TitleTxt>CO-PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>6.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>HEATHER DIGIORGIO</PersonNm>
        <TitleTxt>CO-PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>6.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JAIME DREIKOSEN</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>CA</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>TREASURER</PersonNm>
        <USAddress>
          <AddressLine1Txt>375 BLACKSTONE DR</AddressLine1Txt>
          <CityNm>SAN RAFAEL</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94903</ZIPCd>
        </USAddress>
        <PhoneNum>4154923741</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="IRS990ScheduleA" softwareId="24020490" softwareVersionNum="2024v5.2">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>37112</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>54338</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>60132</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>74172</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>90385</CurrentTaxYearAmt>
        <TotalAmt>316139</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TaxRevLeviedOrgnztnlBnft170Grp>
        <TotalAmt>0</TotalAmt>
      </TaxRevLeviedOrgnztnlBnft170Grp>
      <GovtFurnSrvcFcltsVl170Grp>
        <TotalAmt>0</TotalAmt>
      </GovtFurnSrvcFcltsVl170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>37112</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>54338</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>60132</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>74172</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>90385</CurrentTaxYearAmt>
        <TotalAmt>316139</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>0</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>316139</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus2YearsAmt>1</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1132</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>761</CurrentTaxYearAmt>
        <TotalAmt>1894</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <UnrelatedBusinessNetIncm170Grp>
        <TotalAmt>0</TotalAmt>
      </UnrelatedBusinessNetIncm170Grp>
      <OtherIncome170Grp>
        <TotalAmt>0</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>318033</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>26056</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.99400</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.99270</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleG documentId="IRS990ScheduleG" softwareId="24020490" softwareVersionNum="2024v5.2">
      <FundraisingEventInformationGrp>
        <Event1Nm>WALKATHON</Event1Nm>
        <GrossReceiptsEvent1Amt>55194</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>55194</CharitableContriEvent1Amt>
        <OtherDirectExpensesEvent1Amt>4253</OtherDirectExpensesEvent1Amt>
        <Event2Nm>BOOK FAIR</Event2Nm>
        <GrossReceiptsEvent2Amt>6956</GrossReceiptsEvent2Amt>
        <CharitableContriEvent2Amt>6956</CharitableContriEvent2Amt>
        <OtherDirectExpensesEvent2Amt>4092</OtherDirectExpensesEvent2Amt>
        <GrossReceiptsTotalAmt>62150</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>62150</CharitableContributionsTotAmt>
        <OthDirectExpnssTotalEventsAmt>8345</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>8345</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-8345</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="24020490" softwareVersionNum="2024v5.2">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Grants and Similar Amounts Paid In Excess of $5,000.1</FormAndLineReferenceDesc>
        <ExplanationTxt>Class of Activity: TECH LAB &amp; OTHER | Donee's Name: CAN DO EDUCATION FOUNDATION | Donee's Address: P. O. BOX 6182 SAN RAFAEL CA 94903 | Cash Amount Given: $7500</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.1012</FormAndLineReferenceDesc>
        <ExplanationTxt>Insurance $423</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.1</FormAndLineReferenceDesc>
        <ExplanationTxt>CLASSROOM FUNDS $14120</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.2</FormAndLineReferenceDesc>
        <ExplanationTxt>TEACHER APPRECIATION $8583</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.3</FormAndLineReferenceDesc>
        <ExplanationTxt>5TH GRADE PROMOTION $6281</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.4</FormAndLineReferenceDesc>
        <ExplanationTxt>GOLD RUSH TRIP $5700</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.5</FormAndLineReferenceDesc>
        <ExplanationTxt>CAMPUS BEAUTIFICATION $4316</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.6</FormAndLineReferenceDesc>
        <ExplanationTxt>BIRTHDAY CLUB EXPENSE $3406</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.7</FormAndLineReferenceDesc>
        <ExplanationTxt>DIVERSITY, EQUITY, INCLUSION $3254</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.8</FormAndLineReferenceDesc>
        <ExplanationTxt>FIELD DAY $3003</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.9</FormAndLineReferenceDesc>
        <ExplanationTxt>SPIRIT WEAR $2859</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.10</FormAndLineReferenceDesc>
        <ExplanationTxt>YEARBOOK EXPENSES $2709</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.11</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER EXPENSES $1741</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.12</FormAndLineReferenceDesc>
        <ExplanationTxt>YOUNG AUTHORS $1722</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.13</FormAndLineReferenceDesc>
        <ExplanationTxt>WALKER CREEK EXPENSES $1698</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.14</FormAndLineReferenceDesc>
        <ExplanationTxt>FAMILY DANCE $1566</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.15</FormAndLineReferenceDesc>
        <ExplanationTxt>GARDEN POND EXPENSES $1210</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.16</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER CURRICULUM EXPENSE $1156</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.17</FormAndLineReferenceDesc>
        <ExplanationTxt>HOSPITALITY $838</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Assets.1005</FormAndLineReferenceDesc>
        <ExplanationTxt>Accounts Receivable - Beginning $0 Accounts Receivable - Ending $2000</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Assets.1011</FormAndLineReferenceDesc>
        <ExplanationTxt>Prepaid Expenses and Deferred Charges - Beginning $228 Prepaid Expenses and Deferred Charges - Ending $259</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Total Liabilities.1001</FormAndLineReferenceDesc>
        <ExplanationTxt>Accounts Payable and Accrued Expenses - Beginning $0 Accounts Payable and Accrued Expenses - Ending $300</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>