UCSB General Catalog - Major and Minor Requirements (click here)

Information on changing majors:

Students must complete at least two Math courses at UCSB before a Change of Major petition can be submitted. The Math department will process the petition in the following quarter, after grades are posted. Petitions will only be processed and approved if students receive a combined 2.5 GPA in the two required Math courses.

Pre-Math to Full Math Majors:

Petitions will be accepted in the quarter students are finishing their pre-major requirements. The Math department will process the petition in the following quarter, after grades are processed. Petitions will only be processed and approved if students have completed all pre-major requirements with a 2.5 GPA, and completed all preparation for the major requirements. 

Freshmen: 

Petitions cannot be submitted until the Spring quarter of a student's freshman year. Non-Math to Pre-Math Major Petition policies still apply. 

Transfer Students: 

Petitions cannot be submitted until the Winter quarter of a transfer student's first year if switching from Non-Math to Pre-Math or Full Math majors. Non-Math to Pre-Math Major Petition policies still apply. 

If changing from Pre-Math to Full Math, petitions can be submitted in the quarter the student is finishing their pre-major requirements. The following scenarios also apply: 

Two or more pre-major courses remaining upon arrival at UCSB: 

Students must complete remaining pre-major courses with a minimum UC GPA of 2.5

One pre-major course remaining upon arrival at UCSB: 

Students must complete last pre-major course with a "C+" or better and complete one Upper Division Math/PSTAT course with a "C" or better

All pre-major courses completed upon arrival at UCSB:

Students must complete two Upper Division Math/PSTAT courses with a "C" or better