Triton Student System (TSS) Update & Request: How to Support Students and their Interaction with TSS

 

Dear Colleagues,

As we prepare for the transition to the Triton Student System (TSS) in Summer 2026, we are sharing a summary of what students will experience and how you can support them. Please read thoroughly, as there are changes to standard timelines this year.  

Please note that the Division of Extended Studies (DES) has a separate timeline from the main campus, that’s also outlined below.

System-wide Changes

  • New terminology/labeling:
    • Enrollment → Booking
    • PID → Triton Student Number (TSN)
      • Students will see and use their TSN in TSS, some students may see their TSN earlier in some finance and annulment systems
      • Faculty and staff will be able to search for students by PID or TSN in TSS 
    • MyTritonLink → Triton Student System (TSS)
    • Major codes will shift to a new TSS format as will courses. Courses will now include a hyphen between the subject code and course number, and leading zeroes. e.g., ECON 5 → ECON-005; VIS 21A → VIS-021A; BENG 280C → BENG-280C
  • Some processes may look different as systems are introduced in phases

Main Campus - Incoming Students (Fall 2026)

April 2026
July 2026 August 2026
→ UC San Diego Active Directory account created after incoming students accept an offer of admission. Upon account creation, students will receive:
• UC San Diego username and email
• Triton Student Number (TSN)
→ Students who attempt to log into TSS early will see an error message
→ Enrollment checklist visible to incoming students
→ Housing applications and visa processes begin mid-to-late April; Undergraduate Housing | Graduate & Family Housing.
→ Incoming Students are required to log-into their Financial Aid student portal to submit required documentation before June 15, 2026
→ Schedule of Classes made available to students
→ Students access TSS using their UC San Diego account (Active Directory) in mid-July 2026
→ Enrollment, now called booking, available to incoming main campus students / transfer students to book Fall 2026 classes
→ Email notification sent notifying students of their booking window

Main Campus - Continuing Students

April 2026
July 2026
→ Students will see and use their TSN in TSS, some students may see their TSN earlier in some finance and annulment systems
→ Enroll in Summer Session courses via WebReg
• Session 1, Special Session and Session 2 - starting April 13, 2026
→ Continuing student housing timelines are already in progress and follow separate schedules
→ Continuing students' deadline to submit financial aid documentation for the 2026-2027 academic year is May 1, 2026 and is now open
→ Students access TSS using their existing UC San Diego account (Active Directory) in mid-July 2026. Until July, continue to use current systems as usual
→ Students will begin using their Triton Student Number (TSN) within TSS
→ Enrollment, now called booking, available for continuing students to book Fall 2026 classes; booking opens mid-July 2026 (shift from typical timeline)
→ Will receive email notification with information about their booking window
→ Schedule of Classes made available to students
→ Will be asked to review/update personal information in TSS upon initial login, including:
• Mailing address
• Lived/chosen name
• Direct deposit information
• Emergency contact information

Additional considerations for continuing students:

  • Continuing students will have both a PID and TSN, but only the TSN will be visible to students in the Triton Student System.
  • No changes to Campus ID Cards. ID cards printed with the legacy PID will remain valid and do not need to be replaced.

Division of Extended Studies (DES) Students

July 2026
August 2026
→ Students can begin accessing their UC San Diego Division of Extended Studies account in July and will receive their new TSN
→ DES students access TSS using their existing DES account. Any students who attempt to log in early will see an error message; this is expected
→ Enrollment, now called booking, available for DES students to book Fall 2026 classes
→ Will receive email notification with information when course registration/booking is open

Additional considerations for continuing students:

  • DES students may follow slightly different timelines depending on program requirements

Request: Share Information with Students

Students will be receiving messaging about these changes through email, web updates, campus notices and social media.  Please help us reinforce this messaging by doing one or more of the following:

  • Share this information with students on your courses (undergraduate and graduate) using this slide in class or posting to your discussion board
  • Share updated Fall 2026 booking timeline:
    • Below is language that can be used on webpages to alert students to the change. For more information, read the previous Campus Notice
Important Notice: Continuing student enrollment for Fall Quarter 2026 is being moved to mid-July 2026 to allow for the implementation of the new Triton Student System. For full details about the enrollment timeline adjustment, please refer to the initial campus notice.
Student Support & ResourcesAcademic/Staff Support & Resources
→ Technical help for students: TritonLink TSS Training Hub - updates in progress and will transition to be TSS aides once students gain access
→ TSS Project Website for general information, updates and project news
→ Submit a SNOW ticket: Technical support
→ HDH Undergraduate Housing
→ HDH Graduate and Family Housing
→ Financial Aid Services
→ International Services and Engagement Office
→ Blink TSS Training Hub - updates in progress and will be updated as training is developed for TSS
→ TSS Project Website for general information, updates and project news
→ ESR Project Newsletter to view and subscribe to our monthly newsletter
→ Email for questions, engagement requests and all other needs related to TSS
→  Submit a SNOW ticket: Technical support

Thank you for your continued partnership as we prepare for launch.

 

Explore TSS Project Resources at our project website

Email your questions

Review the TSS Project Timeline

Read about TSS Impacts to Applications

 

The Triton Student System (TSS) Project is part of
the UC San Diego Enterprise Systems Renewal (ESR) Student Information System (SIS) Project.

Learn more about ESR and SIS: esr.ucsd.edu/student
Contact the SIS Project core team: esr-student@ucsd.edu

 

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