Summer Dates and Deadlines

This page includes a detailed listing of specific deadlines by session that are important for registration, financial aid, fee payments, and refunds. For information on university holidays and future academic years, refer to the Academic Calendar.

All times are in Pacific time. 

Summer 2025

Summer classes at CSULB are offered during multiple sessions. The session codes below are used in the Schedule of Classes to identify the dates for each class.

SessionCodesDates
Full Summer SessionSSD, 1May 27–Aug. 15, 2025
Session IS1S, 6W1May 27–July 3, 2025
Session IIIS3S, 6W3July 7–Aug. 15, 2025

EventFull
(SSD, 1)		Session I
(S1S, 6W1)		Session III
(S3S, 6W3)
Continuing CSULB student registration begins
Current CSULB students can register through MyCSULB Student Center. Registration appointment times are based on graduation status, class level, and units earned.		March 3, 2025March 3, 2025March 3, 2025
Continuing visiting (non–CSULB) student registration begins
Visiting students who enrolled through Open University in the same academic year (fall, winter, or spring) can register through MyCSULB Student Center.		March 17, 2025March 17, 2025March 17, 2025
New visiting (non–CSULB) student registration begins
Visiting students enrolling for the first time must submit the Summer Session Registration Form to register.		March 24, 2025March 24, 2025March 24, 2025
Waitlist Deadline
Last day of waitlist auto–enrollment. After this date, waitlists are no longer used.		May 12, 2025May 12, 2025June 23, 2025
Last day to add or drop classes without approval
Deadline to add, swap, or drop a class without approval. Deadline to drop and receive a full refund (see “Refunds” below). All changes must be completed by 10 p.m.		May 26, 2025May 26, 2025July 6, 2025
First day of classes
A $25 late registration fee will apply for initial registration starting this date or later.		May 27, 2025May 27, 2025July 7, 2025
Late add (with approval only)
Starting the first day of classes, approval of the class instructor is required to add a class. Use the Summer Session Registration Form to request to add a class.		May 27 – June 9, 2025May 27 – June 9, 2025July 7 – 18, 2025
Late drop (with approval only)
Starting the first day of classes, approval of the class instructor is required to drop a class. Use the Summer Session Registration Form to request to drop a class.		May 27 – June 9, 2025May 27 – June 9, 2025July 7 – 18, 2025
Grade Option Change Request Deadline
Deadline to change grading option for a class to Credit/No Credit (CR/NC) or Audit (AU).		June 9, 2025June 9, 2025July 18, 2025
University Census
Finalize your enrollment by this day. Schedule changes after this day are not permitted, except for approved withdrawals.		June 9, 2025June 9, 2025July 18, 2025
Withdraw (with approval only)
After University Census, you may request to withdraw. Approval of the class instructor and department are required. If approved, you'll receive a W on your transcript for the class.		June 10 – Aug. 8, 2025June 10 – 27, 2025July 19 – Aug. 8, 2025
Catastrophic Withdrawals
Withdrawal during the final three weeks of instruction is not permitted unless there are serious and extenuating circumstances beyond your control that prevent you from continuing in your classes and incompletes are not possible. 		Aug. 15, 2025July 3, 2025Aug. 15, 2025
Last day of classesAug. 15, 2025July 3, 2025Aug. 15, 2025

Current CSULB students who completed a 2024–2025 FAFSA do not need to submit an application for summer grant aid. Beginning in March, eligible students will be awarded grant aid within a week of enrolling for summer.

Students who are interested in borrowing loans will need to submit a loan application for summer.

For more information, see Summer Financial Aid.

EventFull
(SSD, 1)		Session I
(S1S, 6W1)		Session III
(S3S, 6W3)
Disbursement begins
Most financial aid funds are applied toward any outstanding charges, including any installment plans. The first possible date funds can be released is 10 days before the first day of classes each semester.		May 27, 2025May 27, 2025July 7, 2025
Loan Application Deadline
The deadline to submit a summer loan application is two weeks prior to the end of your summer classes. (If you are enrolled in more than one summer session, the deadline is whichever is later.)		August 1, 2025June 13, 2025August 1, 2025

For more information, see Summer Tuition and Fees.

Fee Payment Schedule
EventFull
(SSD, 1)		Session I
(S1S, 6W1)		Session III
(S3S, 6W3)
Fee Payment Deadline
Fees are due 30 days after registration or by this deadline, whichever occurs first. Your payment due date is available on MyCSULB Student Center. If you register after this day, your fees will be due the next day. (A $10 late payment fee will be assessed on balances past due after this day.)		May 14, 2025May 14, 2025May 14, 2025

The university automatically generates summer refunds during the week of August 1, 2025. Please allow 4–6 weeks for all refund processing.

For more information, see Summer Tuition and Fees.

Refund Schedule
EventFull (SSD, 1)Session I (S1S, 6W1)Session III (S3S, 6W3)
Deadline to drop and receive a full refund
Drop all classes by this day to receive a full refund, minus a $10 processing fee. Starting the first day of classes, students who drop all their classes will owe prorated fees based on the date of withdrawal.		May 26, 2025May 26, 2025July 6, 2025
Partially drop and receive a 75% refund in calculated chargesMay 27 - June 2, 2025May 27 - June 2, 2025July 7 - 14, 2025
Partially drop and receive a 50% refund in calculated charges
After this deadline, students are no longer eligible for a refund. Refer to Summer Session Refunds for details.		June 3 - 9, 2025June 3 - 9, 2025July 15 - 21, 2025
Withdraw from all classes for prorated refund
Refer to Summer Session Refunds for details.		July 12, 2025June 20, 2025July 30, 2025