Summer Session Dates & Details
- February 23, 2026: Assign an OU Registration Date through July 2.
- March 2, 2026: CSUF Class Schedule viewable.
- March 30, 2026: Enrollment for all sessions opens at 8 a.m.
- Review Instructions to Enroll.
All students new and returning need an enrollment appointment window (registration date) to enroll for each semester and term. Review STEP 1 of the OU General Instructions. Take steps to either update an existing record or create a new record, and (re)gain access to the CSUF Student Portal, then activate your program and term to enroll via Open University.
Returning Student? Check out the Returning Student drop down below.
During the early enrollment periods noted below by session type: You may enroll into open course sections ONLY with no other permissions required, unless you must demonstrate documentation of prerequistes completed outside of CSUF. If you need to document prerequisites, use the Request for Approval process.
Enroll in open sections of a course you have met prerequisites for in the Manage Classes tile when the registration date opens and through the early enrollment period.
If the section displays as closed, waitlisted, requires department consent, or if you need to document (pre)requisites, then complete a Request for Approval. If both the instructor and academic department approves, and physical space allows, then a permit will be placed on your record and you may enroll in the Manage Classes tile using the OU date specific enrollment appointment (registration date).
The Request for Approval goes live on March 30, 2026 at 8:00 a.m. The link will be located on the upper right corner of this site. The Request for Approval will close on July 2 at 5:00 p.m.
Complete a Request for Approval to enroll if you need to demonstrate prerequisites completed outside of CSUF, or for closed and waitlisted courses. If it is approved, then the permit must be in place to proceed with enrollment in the Manage Classes tile.
- Course Prerequisite Documentation: If the course you would like to enroll has a prerequisite that you completed outside of CSUF, or requires department consent, then first initiate a Request for Approval for the instructor and academic department to review. Include (upload) prerequisite documentation (such as an unoffical transcript) or other appropriate information regarding how the requisite has been met, even if the course is open.
- Closed Sections: Intitate a Request for Approval for closed sections. Approved permits cannot exceed the safety capacity of the classroom.
- Waitlisted Sections: Initiate a Request for Approval for waitlisted sections. Waitlists are for admitted students only. A Request for Approval completed before Thursday, May 21 will hold at the department for review, until the waitlist clears.
- Late Enrollment Periods: During the late enrollment periods noted below by specific session, use the Request for Approval.
All course and mandatory fees are due in full at the time of registration. When you register into any course, you are prompted to acknowledge the fee payment policy.
If payment is not received, you may be disenrolled without notice. If you are dropped or disenrolled on or after the session start date and during the posted Drop Period, 35% of fees will still be owed, and a financial hold may be placed on your record. See Dates & Details below.
Please consult University Extension Student Services for any questions on payment of fees, including pending loans, or third party payments.
In the Financial Account tile, located in the Student Homepage;
- Select the Account Services tab, then Account Activity to generate the amount due. Next, select "Make a Payment" and proceed. Reference the OU Payment Guide. For a review of the fee structure and administrative logistics, check out Fees & Resources.
Please review Instructions to Enroll as well as the summer session specific dates and details below. The first step is to Assign an OU Registration Date (enrollment appointment).
Updating your record may be three parts:
Part 1: If you no longer have access to log into the CSUF Student Portal, complete the Returning Student Confirmation and follow the prompts to request access as a returning student. Within 24-48 hours you will be able to log into the Student Portal with your prior username and password. If you do not recall your previous username and password, use the "Need help logging in?" link to reset. If you cannot reset your username and password in the Portal, and are unable to login, then contact University Extension Student Services for assistance.
If you already have access to log into the CSUF Student Portal, then proceed to Part 3 below.
Part 2: Once you have logged into the CSUF Student Portal, update your profile.
Part 3: Review the Manage Classes steps in the Returning Student: OU Enrollment Appointment Guide to activate your program and term for the upcoming summer term in the Open University plan. This is what prompts an enrollment appointment (registration date) in the Manage Classes tile. Starting February 23, the appointment will appear 24-48 hours after this step is completed.
- Students recently experiencing academic disqualification this past Spring semester cannot self update their program and term to enroll via Open University. Please contact Extension Student Services at extension@fullerton.edu or at 657.278.2611 during business hours for assistance with this action.
Important Notes:
- Students who have experienced undergraduate academic disqualification from CSUF may enroll in a maximum of 6 units total over all sessions in summer. Enrollment into additional units over that limit could result in administrative enrollment cancellation. Please discuss this with one of the Open University Advisors.
- Graduation candidates (undergraduate) for the recent prior Spring may not term activate for Summer Open University without guidance from the Graduation Unit in the Office of the Registrar. Please contact CSUF Graduation Unit first to determine if enrollment via Open University in summer is an appropriate action.
- Graduation candidates (graduate level) for the recent prior Spring may not term activate for Summer Open University without guidance from the Graduate Studies Office. Please contact Graduate Studies first to determine if enrollment via Open University in summer is an appropriate action.
March 30, 2026: Enrollment for all summer sessions opens at 8 a.m. If you have a summer 2026 OU enrollment appointment (registration date), then enroll in the Manage Classes tile in your Student Homepage.
All course and mandatory fees are due in full at the time of registration. If payment is not received, you may be disenrolled without notice. If you are dropped or disenrolled on or after the session start date and during the posted Drop Periods referenced below, 35% of fees will still be owed, and a financial hold may be placed on your record.
Holidays: The campus will be closed and there will be no in-person classes on the following holidays:
- Monday, May 25, 2026: Memorial Day
- Friday, June 19, 2026: Juneteenth Day
- Friday, July 3, 2026: Independence Day
2026 Summer Sessions |
A |
B |
C |
D |
E |
SPC |
|---|---|---|---|---|---|---|
Session Dates |
May 26 - June 26 |
June 29 - July 31 |
June 22 - July 31 |
May 26 - July 17 |
May 26 - July 31 |
Dates Vary |
Early Enrollment period ends:
|
May 25 |
June 28 |
June 21 |
May 25 |
May 25 |
Dates vary by course. Early enrollment period ends one business day before the class start date. If you drop at least one business day prior to the class start date, a full refund less $10 per class will be issued. |
Late Enrollment Periods by Session:
Drop Periods by Session:
|
May 26 - May 29 |
June 29 - July 2 |
June 22 - June 26 |
May 26 - June 2 |
May 26 - June 4 |
Dates vary by course.
If you drop on or after the class start date; if less than 25% of the total days* have elapsed, a 65% refund will be issued. After 25% of the total days* has elapsed, there will be no refund. *Total days = total days from class start date to class end date. |
Final Enrollment Dates by Session:Last day of the late enrollment period. No refunds for classes will be issued after this date. |
May 29 |
July 2 |
June 26 |
June 2 |
June 4 |
Dates vary by course. |
Last day to withdraw with a grade of "W" and receive 65% refund.There are no refunds after this date. Drops are processed using the Request for Withdrawal electronic petition form at Withdrawal FAQ | CSUF - Office of the Registrar. |
June 2 |
July 6 |
July 1 |
June 7 |
June 11 |
Dates vary by course. |
Late Withdrawal Periods by Session:Last day to withdraw with a grade of “W” for serious or compelling reasons only. An approved Request for Withdrawal process is required. The process is online. There are no refunds. |
June 18 |
July 24 |
July 23 |
July 6 |
July 17 |
Dates vary by course.
After 25% of the total days* have elapsed, there will be no refund. *Total days = total days from class start date to class end date. |
Grades due:You can view grades on your unofficial transcript in the Academic Records tile. |
July 6 |
August 7 |
August 7 |
July 24 |
August 7 |
Dates vary by course. |
Open University 101
- Students experiencing academic disqualification (ADQ) from CSUF may enroll in a maximum of six (6) units during Fall, Spring and Summer terms. Enrollment over these limits are subject to administrative enrollment cancellation of excess units. Please adhere to the enrollment limits stated here. For more information review the How many units can I take? FAQ.
- Enrollment is on a space-available basis.
- A maximum of 24 credits earned through Open University may count toward the cumulative units required for a bachelor’s degree at CSUF.
- Courses completed through Open University enrollment do not meet the residence requirements for a bachelor’s degree at CSUF (30 units for the degree; 24 units in upper division courses). For graduate degrees, normally 6 to 9 units of approved credits taken through Open University may apply, but for degrees which require more than 30 units, more units of credit may apply. Please consult the department graduate advisor of your program.
- All stated prerequisites for a course must be met. To view course descriptions and prerequisite information, visit Cal State Fullerton’s University Catalog.
- For other important dates, including scheduled campus closures, visit the CSUF Academic Calendar.










