<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2022v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-04-10T16:05:34-04:00</ReturnTs>
    <TaxPeriodEndDt>2023-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>261081736</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>CARLSBAD CERTIFIED PUBLIC ACCOUNTANTS</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>5741 PALMER WAY SUITE A</AddressLine1Txt>
        <CityNm>CARLSBAD</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>920107248</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2022-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>471744221</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>RARE SCIENCE INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>RARE</BusinessNameControlTxt>
      <PhoneNum>8056357273</PhoneNum>
      <USAddress>
        <AddressLine1Txt>874 SAXONY RD</AddressLine1Txt>
        <CityNm>ENCINITAS</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>92024</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>CHRISTINA A WATERS</PersonNm>
      <PersonTitleTxt>PRESIDENT/FOUNDER/CE</PersonTitleTxt>
      <PhoneNum>8056357273</PhoneNum>
      <SignatureDt>2024-02-14</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>CHRISTINA</PersonFirstNm>
        <PersonLastNm>WATERS</PersonLastNm>
      </PersonFullName>
      <SSN>XXX-XX-XXXX</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>false</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>KELSEY OSWALD CPA</PreparerPersonNm>
      <PTIN>P00971878</PTIN>
      <PhoneNum>7604389500</PhoneNum>
      <PreparationDt>2024-04-10</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2022</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc2">
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.RARESCIENCE.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc3">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>13869</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>13868</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>1</InvestmentIncomeAmt>
      <TotalRevenueAmt>13869</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>25</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>1956</OccupancyRentUtltsAndMaintAmt>
      <PrintingPublicationsPostageAmt>15020</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>4165</OtherExpensesTotalAmt>
      <TotalExpensesAmt>21166</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-7297</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>20848</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>13551</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>21242</BOYAmt>
        <EOYAmt>13985</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <EOYAmt>9</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>21242</BOYAmt>
        <EOYAmt>13994</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>394</BOYAmt>
        <EOYAmt>443</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>20848</BOYAmt>
        <EOYAmt>13551</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>RESEARCH ORGANIZATION</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>RARE BEAR PROGRAM: SUPPORTED BY ALMOST 2,000 RARE BEAR MAKERS LOCATED IN 10 COUNTRIES, INCLUDING 49 US STATES. RARE BEARS ARE MADE BY VOLUNTEERS USING REMNANT FABRIC. THESE BEARS ARE THEN GIFTED WORLDWIDE, AT NOT COST, TO CHILDREN SUFFERING FORM RARE DISEASES.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>17437</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>17437</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CHRISTINA A WATERS</PersonNm>
        <TitleTxt>PRESIDENT/FO</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DAVID PARKINSON</PersonNm>
        <TitleTxt>BOARD CHAIRM</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARK BENEDYK</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</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>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>CA</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>GINNY HALLNER</PersonNm>
        <USAddress>
          <AddressLine1Txt>874 SAXONY RD</AddressLine1Txt>
          <CityNm>ENCINITAS</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>92024</ZIPCd>
        </USAddress>
        <PhoneNum>6192493693</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="RetDoc3">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>34567</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>66272</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>30217</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearAmt>13868</CurrentTaxYearAmt>
        <TotalAmt>144924</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>34567</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>66272</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>30217</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearAmt>13868</CurrentTaxYearAmt>
        <TotalAmt>144924</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>144924</PublicSupportTotal170Amt>
      <TotalSupportAmt>144924</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>5</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>1.00000</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>1.00000</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="RetDoc2">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES OFFICE EXPENSES 472 DUES &amp; SUBSCRIPTIONS 2,577 TRAVEL -86 INTEREST 28 INSURANCE 241 RARE BEAR SUPPLIES 461 BANK FEES 22 TAXES &amp; LICENSE 450 TOTAL 4,165</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24</FormAndLineReferenceDesc>
        <ExplanationTxt>UNDEPOSITED FUNDS 0 9 TOTAL 0 9</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 26</FormAndLineReferenceDesc>
        <ExplanationTxt>CREDIT CARD 394 443</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>RARE BEAR PROGRAM: SUPPORTED BY ALMOST 2,000 RARE BEAR MAKERS LOCATED IN 10 COUNTRIES, INCLUDING 49 US STATES. RARE BEARS ARE MADE BY VOLUNTEERS USING REMNANT FABRIC. THESE BEARS ARE THEN GIFTED WORLDWIDE, AT NOT COST, TO CHILDREN SUFFERING FORM RARE DISEASES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
