Majors and Minors
Major/Minor Change Pause
Due to the new Triton Student System (TSS) implementation, students cannot change their majors or minors in TSS until September 2026. For more information, read the TSS Project Update.The Selective Major Application is separate from TSS. The deadline to apply for a selective major (continuing students only) is September 1.
Majors
A major is required as part of your undergraduate degree.
List of Majors
Review the list of majors available at UC San Diego.
How to Declare a Major
Follow these steps to declare or change your major.
Selective and Screened Majors
Some majors have limited space. Read about how to declare a selective or screened major.
Double Majors
Explore the double major petition process for necessary steps to add a second major.
Need Help Choosing a Major?
It's okay to be Undeclared! Explore available resources to help you choose a major.
Minors
Minors are not required for a bachelor's degree. Review these resources if you are interested in adding an optional minor.