Summer Session Calendar

All deadlines are 11:59 pm Pacific Standard Time (PST) unless otherwise noted. 

Contact summer@ucsd.edu with any questions.

The Calendar and Deadlines for Summer 2026 will be available soon.

Session 1

June 29- August 1 (5 weeks)

Deadlines: 

• • Add via WebReg - July 6, 2026
  • Billing statements available via Tritonlink - July 3, 2026
  • Cancellation for Non-Payment*-  June 26, 2026 
  • Change Grade Option-  July 17, 2026
  • Drop with a Full Refund - July 6, 2026
  • Drop without a “W” Deadline - July 10, 2026
  • Drop with a “W” Deadline - UG: July 17, 2026 ; GR: July 28, 2026 
  • Financial Aid Disbursements - 
  • No classes are held in observance of Independence Day, July 4, 2026
  • Registration Fee Payment Deadline - June 22, 2026 
  • Waitlist Ends- 

*Cancel for non-payment: If you are not planning to attend, please drop your course. Do not depend on the automated system.

If you have already paid for your courses, and decide to add an additional course to the same session, the tuition and fees for your new course are due by the refund deadline date of that session.

**If you register after the payment deadline, you will not be canceled for non-payment

***Drop policies for lab courses may differ. Refer to the Schedule of Classes for exceptions.

Please review the Enrollment Section for more information.

Session 2 

August 3 - September 5, 2026 (5 weeks)

Deadlines: 

• • Add via WebReg - August 7, 2026
  • Billing statements available via Tritonlink - July 8, 2026
  • Cancellation for Non-Payment*- July 31, 2026 
  • Change Grade Option- August 21, 2026
  • Drop with a Full Refund - August 7, 2026
  • Drop without a “W” Deadline -  August 14, 2026 
  • Drop with a “W” Deadline - UG: August 21, 2026 ; GR: September 1, 2026
  • Financial Aid Disbursements - 
  • Registration Fee Payment Deadline - July 27, 2026
  • Waitlist Ends- 

*Cancel for non-payment: If you are not planning to attend, please drop your course. Do not depend on the automated system.

If you have already paid for your courses, and decide to add an additional course to the same session, the tuition and fees for your new course are due by the refund deadline date of that session.

**If you register after the payment deadline, you will not be canceled for non-payment

***Drop policies for lab courses may differ. Refer to the Schedule of Classes for exceptions.

Please review the Enrollment Section for more information.

Session 3 - Special Session

June 15 - September 19, 2026 Dates vary (non-five week courses)

Deadlines:

• Billing statements available via Tritonlink - July 3, 2026
• Registration Fee Payment Deadline - June 22, 2026
• Cancellation for Non-Payment* - June 25, 2026 
• Everything varies by course: please see Special Session Calendar for details.

*Cancel for non-payment: If you are not planning to attend, please drop your course. Do not depend on the automated system.

If you have already paid for your courses, and decide to add an additional course to the same session, the tuition and fees for your new course are due by the refund deadline date of that session.

**If you register after the payment deadline, you will not be canceled for non-payment

***Drop policies for lab courses may differ. Refer to the Schedule of Classes for exceptions.

Please review the Enrollment Section for more information.

Planning ahead? → See future Summer Session dates.
Looking back? → See prior year calendars: Summer 2025, Summer 2024 and Special Summer 2024, Summer 2023 and Special Summer 2023, Summer 2022, Summer 2021, Summer 2020, Summer 2019, Summer 2018.