﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2023v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-15T13:12:25-06:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>911301494</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>TELGENHOFF &amp; OETGEN PS</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>400 5TH STREET</AddressLine1Txt>
        <CityNm>LYNDEN</CityNm>
        <StateAbbreviationCd>WA</StateAbbreviationCd>
        <ZIPCd>98264</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237024933</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>BLAINE SCHOOL BOOSTER CLUB</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>BLAI</BusinessNameControlTxt>
      <PhoneNum>3603181611</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 152</AddressLine1Txt>
        <CityNm>BLAINE</CityNm>
        <StateAbbreviationCd>WA</StateAbbreviationCd>
        <ZIPCd>98231</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>KIRK KAMRATH</PersonNm>
      <PersonTitleTxt>VICE PRESIDENT</PersonTitleTxt>
      <PhoneNum>3603181611</PhoneNum>
      <SignatureDt>2024-11-15</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>JENNIFER A WEEKS</PreparerPersonNm>
      <PTIN>P01253075</PTIN>
      <PhoneNum>3603545545</PhoneNum>
      <PreparationDt>2024-11-15</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>BLAINEATHLETICBOOSTERCLUB.COM</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc1039100001">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>133302</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>15582</ContributionsGiftsGrantsEtcAmt>
      <MembershipDuesAmt>19119</MembershipDuesAmt>
      <FundraisingGrossIncomeAmt referenceDocumentId="RetDoc1041300001">98591</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>22424</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>76167</SpecialEventsNetIncomeLossAmt>
      <OtherRevenueTotalAmt>10</OtherRevenueTotalAmt>
      <TotalRevenueAmt>110878</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>2000</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>800</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>610</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>104230</OtherExpensesTotalAmt>
      <TotalExpensesAmt>107640</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>3238</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>68754</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>71992</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>68754</BOYAmt>
        <EOYAmt>71992</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>68754</BOYAmt>
        <EOYAmt>71992</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>68754</BOYAmt>
        <EOYAmt>71992</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>TO PROVIDE ATHLETIC TEAMS AND OTHER SCHOOL-RELATED ACTIVITIES RESIDING IN THE BLAINE SCHOOL DISTRICT (#503) WITH THE FUNDS NECESSARY TO CONTINUE QUALITY PROGRAMS; TO THAT END, TO PROCURE, ACQUIRE AND MAINTAIN ALL TYPES OF ATHLETIC FACILITIES AND EQUIPMENT, TO SOLICIT AND ACCEPT DONATIONS, CONDUCT ALL MANNER OF FUNDRAISING ACTIVITIES, BORROW MONEY AND OTHER THINGS OF VALUE FOR THE PURPOSE OF SUPPORTING SUCH PROGRAMS.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE ORGANIZATION COLLECTS COMMUNITY AND CORPORATE DONATIONS, RUNS CONCESSION STANDS, AND SELLS CARDS, BOOKS AND CALENDARS THAT PROMOTE LOCAL BUSINESSES AS FUNDRAISERS.THE ORGANIZATION PAID FOR VARIOUS ATHLETIC TEAM AND SENIOR CLASS EXPENSES INCLUDING EQUIPMENT, UNIFORMS, SENIOR TRIPS AND TOURNAMENT FEES. THE ORGANIZATION ALSO PAYS FOR EXPENSES OF STUDENTS FROM LOW-INCOME FAMILIES WHO WOULDN'T OTHERWISE BE ABLE TO PARTICIPATE IN THE SPONSORED ACTIVITIES.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>2000</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>105640</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>105640</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CLIFF FREEMAN</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KIRK KAMRATH</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CHRISTIE RECTOR</PersonNm>
        <TitleTxt>CURRENT TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>TRICIA JOHNSON</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DORI BINDER</PersonNm>
        <TitleTxt>FORMER TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>WA</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>DORI BINDER</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 152</AddressLine1Txt>
          <CityNm>BLAINE</CityNm>
          <StateAbbreviationCd>WA</StateAbbreviationCd>
          <ZIPCd>98231</ZIPCd>
        </USAddress>
        <PhoneNum>3607392233</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>1</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>41610</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>5063</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>29314</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>31817</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>15582</CurrentTaxYearAmt>
        <TotalAmt>123386</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus1YearAmt>6475</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>19119</CurrentTaxYearAmt>
        <TotalAmt>25594</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <GrossReceiptsNonUnrltBusGrp>
        <CurrentTaxYearMinus4YearsAmt>97276</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>19076</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>78579</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>88697</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>98591</CurrentTaxYearAmt>
        <TotalAmt>382219</TotalAmt>
      </GrossReceiptsNonUnrltBusGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>138886</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>24139</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>107893</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>126989</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>133292</CurrentTaxYearAmt>
        <TotalAmt>531199</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>531199</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus1YearAmt>4</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>10</CurrentTaxYearAmt>
        <TotalAmt>14</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus1YearAmt>4</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>10</CurrentTaxYearAmt>
        <TotalAmt>14</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>138886</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>24139</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>107893</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>126993</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>133302</CurrentTaxYearAmt>
        <TotalAmt>531213</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>1.00000</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>SCHOOL EVENTS</Event1Nm>
        <GrossReceiptsEvent1Amt>98591</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>98591</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>22424</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>98591</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>98591</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>22424</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>22424</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>76167</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 8 - OTHER REVENUE</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: INTEREST INCOME. AMOUNT: 10.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: PROGRAM EXPENSES. AMOUNT: 101,692. DESCRIPTION: MEALS TO PARTICIPANTS. AMOUNT: 2,538. TOTAL TO FORM 990-EZ, LINE 16: 104,230.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <TransferPrsnlBnftContractsDecl documentId="RetDoc2278000001">
      <DeclarationDesc>THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT.</DeclarationDesc>
    </TransferPrsnlBnftContractsDecl>
  </ReturnData>
</Return>