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: College of the Siskiyous 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.

COS Campuses Closed July 25: The Weed and Yreka Campuses will be closed Friday, July 25.  Both campuses will reopen Monday, July 28.

Camp Broadway to Present Once On This Island Jr: Performances will be held August 1 and 2 at 7PM, and August 3 at 2PM in the COS Theater.  Tickets are now on sale.  Call (530) 938-5373 to order.

Register Now for Fall Semester: Fall semester begins August 18.  Contact the Counseling and Support Services Department to schedule an appointment with an advisor or for an orientation session.  Call (530) 938-5353.  Don't wait, register now!!

Important Reminder for Students: To avoid being dropped from your classes, we encourage you to pay fees in full when enrolling or make payment arrangements by creating a contract with the COS Business Office.  Financial Aid can be considered when creating a contract to pay IF all required documents have been submitted to the Financial Aid Office. Stop by (or call 938-5310) the COS Business Office with any questions.

Follow us on Facebook: Want to know what's going on at COS? Search for the official College of the Siskiyous Facebook page and click the "like" button!  Look for daily breaking news, updates, interesting COS happenings and fun photos.