COS Campuses Closed on Fridays During the Summer: The COS Weed and Yreka Campuses will be closed every Friday beginning June 6 and ending August 7.  During the summer, both campuses will be open Monday - Thursday, 7:30AM to 5:30PM.

Events & Announcements


Accreditation: COS is accredited by the Accrediting Commission for Community and Junior Colleges (ACCJC) of the Western Association of Schools and Colleges (WASC), an institutional accrediting body recognized by The Commission of Recognition of Post-Secondary Accreditation and the U.S. Department of Education.

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