Apply & Register

Steps to Apply and Register

CafeWhether you are a first-time college student, a transfer student, are returning to school after one or more semesters, or are taking classes to upgrade your job skills, College of the Siskiyous can assist you in achieving your goals.

Here are the steps to get admitted and registered:

Step 1: Complete a COS Web application
Submit an Admissions application using CCCApply. Submit the application online and print a copy of the confirmation page for your records. This will give you your COS Student Number.

Step 2: Log into your mySiskiyous Account

  • User name and password above
  • Log into your account today to become familiar with your new student account.

Step 3: Send your transcripts

Some courses will require prerequisites in order to enroll, specifically Math and English. COS uses a holistic approach in assessing a student’s overall preparedness for such course (e.g. SAT/ACT scores, high school transcripts, prior college transcripts, other assessments, etc. Contact Counseling and Student Support Services at (530) 938-5353 to discuss the types of documentation that could be used.

Step 4: Complete a SOAR Session (Siskiyous, Orientation, Advising, and Registration)

Schedule an in person or online SOAR by contacting Counseling & Support Services.
Phone: (530) 938-5353 or

Step 5: Pay Your Fees

All fees are due upon registration. You may pay for your class in one of three ways:

  1. Financial Aid (
  2. Payment Plan (Contact the Business Office at (530) 938-5310 or
  3. Pay in full online (mySiskiyous), call (530) 938-5310) or pay in person.

Step 6: Activate Your COS Email Account

After you register for classes, activate your COS email by logging into mySiskiyous and clicking on the email envelope icon at the top right of the page and follow the prompts. All correspondence will be sent through this email address and it’s important that you check it regularly. Helpful Hint: You can have your COS emails automatically forwarded to your personal email by following the steps in your COS email. Click on the settings icon at the top right, click "options." "forward your email" and then enter the desired email address.

If you are looking for Housing

College of the Siskiyous offers excellent on-campus housing in the COS Lodges. For a housing application, go to

We’re looking forward to seeing you at COS!! Please contact us at (530) 938-5500 if you have questions.

Have questions about how to apply & register?

If you have specific questions about the steps above, you can call:

Application Help (Step 1)
(530) 938-5500(530) 938-5500

Financial Aid (Step 5)
(530) 938-5353(530) 938-5209

Counseling & Support Services (Step 4)
(530) 938-5353(530) 938-5353

Student Help Desk (for mySiskiyous login assistance - Step 2)
(530) 938-5523(530) 938-5523