California students must take all of the "a-g" course requirements in high school in order to be eligible for a California UC or CSU.
Blog Post: From a-g to UC and CSU too: What a-g course requirements mean for college-bound students in California
UC Explanation
CSU Explanation
CSU/UC Comparison Matrix
UC Doorways
College Preparation starts long before the SAT! Use a checklist to stay on track.
Summer Checklist High School