Booking Your Classes
Last Updated: August 10, 2026 5:05:49 PM PDT
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Find information and links for booking your class schedule at UC San Diego.
Important news
Log into WebReg to manage your Summer Session 2026 courses.
Log into TSS (sis.ucs.edu) to find available classes and to book your courses for Fall 2026. For details, see the how-to pages linked here, and TSS Student Info.
Booking in Triton Student System (TSS)
- Preparing to Book Courses
- Class Planner Tools
- TSS Login and Navigation
- Booking Courses in TSS
- Reviewing and Resolving Holds in TSS
- Triton Enrollment Authorization (TEA)
- Using the Virtual Advising Center (VAC)
Booking / enrollment details for:
Special types of enrollment / transferring courses:
- Cross-Campus Enrollment (UC Online)
- How to Enroll in Classes Outside UCSD
- How to Enroll in Special Studies Classes
- Part-Time/ Half-Time Study
- Returning to UC San Diego After an Absence
- How to Repeat a Class
- Summer Session
- Transfer Courses
- Undergraduate Seminars
Calendars:
- Quarterly Timeline With Deadlines
- Enrollment and Registration Calendar 2025-2026 (includes 2026 Summer Sessions)
- Booking and Registration Calendar 2025-2026 (starting Fall 2026)
- Summer Session Calendar
Courses:
Textbooks:
Withdrawal:
Writing requirement:
If you have questions, contact:
- Your college
- Your department
- Registrar's Office, (858) 534-3150
- Summer Session