Located at the base of Mt. Shasta, College of the Siskiyous is one of the most beautiful community colleges in California. Whether you seek a comfortable transition between high school and university life, or wish to further your college education, you will find a program to suit your needs.
Events & Announcements
COS Campuses Closed for Memorial Day Holiday: COS Weed and Yreka Campuses will be closed on Monday, May 27. Both campuses will reopen May 28.
Summer Session Begins June 3: There are many classes to choose from, however popular classes and transfer classes fill fast. Register now to get the classes you want and need!
Golf Tournament Will Benefit COS Athletics: The annual COS Golf Tournament will be Sunday, June 2 at the Lake Shastina Golf Resort. Sign up today!
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.