UCSC admits into the University not into the major.
Freshman admits for UC GPA of 3.40-3.79
UCB: 2%
UCLA: 3%
UCSD: 6%
UCD: 11%
UCSB: 13%
UCI: 16%
UCSC: 47%
UCR: 64%
UCM: 80%
http://admission.universityofcalifornia.edu/campuses/santa-cruz/freshman-profile/index.html