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<p>Actually, major selection may nullify the predictive value high school math and physics grades on university grades, just as it probably nullifies the predictive value of math standardized tests on university grades. UC and CSU schools, like almost every other school in the country, offer non-math humanities and low-math social studies majors and have little in the way of math and science breadth requirements, so someone who does poorly at math can minimize the university GPA effect of math courses.</p>
<p>Of course, within majors that are heavily math based, high school math grades are likely to be much more predictive.</p>