Majors and Minors
Major/Minor Change Pause
Due to the new Triton Student System (TSS) implementation, continuing students cannot change their majors or minors until mid-August 2026. New incoming students will be able to declare/change majors after enrolling in Fall courses in August. For more information, read the Campus Notice from July 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.