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        <ExplanationTxt>THE WASHINGTON SCIENCE TEACHERS ASSOCIATION IS A NON-PROFIT ORGANIZATION DEDICATED TO ADVOCATING AND PROMOTING QUALITY SCIENCE EDUCATION AT ALL LEVELS OF INSTRUCTION THROUGH PROMOTING PROFESSIONAL KNOWLEDGE AND GROWTH, MAINTAINING AN ONGOING COMMUNICATION NETWORK FOR SCIENCE EDUCATORS, EXPLORING AND SUPPORTING CURRICULUM DEVELOPMENT, RECOGNIZING AND AWARDING EXCELLENCE, CREATING PUBLIC AWARENESS OF THE IMPORTANCE OF QUALITY SCIENCE EDUCATION, AND FORMING AN ORGANIZED VOICE ON PERTINENT LEGISLATIVE POLICIES AND ISSUES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>PROVIDE LEARNING OPPORTUNITIES FOR TEACHERS BY PLANNING AND HOLDING A CONFERENCE OFFERING PROFESSIONAL DEVELOPMENT OPPORTUNITIES FOR TEACHERS. ALSO OFFERING CLOCK HOURS FOR TEACHERS' PROFESSIONAL DEVELOPMENT, AND OTHER ACTIVITIES DESIGNED TO ENCOURAGE AND ENABLE QUALITY SCIENCE TEACHING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 31</FormAndLineReferenceDesc>
        <ExplanationTxt>REPRESENT SCIENCE TEACHERS IN WASHINGTON STATE AT LOCAL, STATE, AND NATIONAL EVENTS DESIGNED TO PROMOTE QUALITY SCIENCE EDUCATION</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>