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      <InCareOfNm>% Kim Westlake</InCareOfNm>
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      <PhoneNum>7202446949</PhoneNum>
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        <CityNm>Denver</CityNm>
        <StateAbbreviationCd>CO</StateAbbreviationCd>
        <ZIPCd>80210</ZIPCd>
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      <PersonNm>KIM WESTLAKE</PersonNm>
      <PersonTitleTxt>Treasuer</PersonTitleTxt>
      <PhoneNum>7202446949</PhoneNum>
      <SignatureDt>2026-08-07</SignatureDt>
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    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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      <PrimaryExemptPurposeTxt>See Schedule O</PrimaryExemptPurposeTxt>
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        <DescriptionProgramSrvcAccomTxt>Support the tax exempt mission, specically the athletic booster club and stem lab.</DescriptionProgramSrvcAccomTxt>
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        <PersonNm>Helen DeMooy</PersonNm>
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        <PersonNm>Ashley Schubert</PersonNm>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Kim Westlake</PersonNm>
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      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>Kelly Lauer</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
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        <PersonNm>Kim Westlake</PersonNm>
        <USAddress>
          <AddressLine1Txt>3000 South Clayton Street</AddressLine1Txt>
          <CityNm>Denver</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80210</ZIPCd>
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      <ForeignOfficeInd>false</ForeignOfficeInd>
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      <OperateHospitalInd>false</OperateHospitalInd>
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        <CurrentTaxYearMinus3YearsAmt>61458</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>116587</CurrentTaxYearMinus2YearsAmt>
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        <CurrentTaxYearAmt>139467</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus1YearAmt>5937</CurrentTaxYearMinus1YearAmt>
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    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other revenue Part I line 8</FormAndLineReferenceDesc>
        <ExplanationTxt>Description AmountAthletic booster donations 1,850other revenue 5,307</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Description of other expenses Part I line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Description AmountAthletic booster expense 7,761Stem lab support 6,879Donor Management System 4,322Grandparents day 1,386Library Computer lab 19,046Arts program 4,500Music Program 5,445Band Program 3,672KELP Support 3,800Other tax exempt expenses 26,237</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III response or note to any other line in Part III</FormAndLineReferenceDesc>
        <ExplanationTxt>FOSS is a 501(c)(3) charity charged with the goal of raising money to fund student education at Slavens School, in programs that are no longer solely funded through the public education system. This includes STEM instruction and state of the art STEM lab, art, music, foreign lauguage and athletics.</ExplanationTxt>
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