<p>"How does UC calculate grades earned on the trimester system? For example, what if a high school student has a C-plus in the first trimester, a B-minus in the second trimester and a C-minus in the third trimester?</p>
<p>Since UC does not count pluses and minuses in freshman applicants’ GPAs, the grade would count as two-thirds C and one-third B in other words, a bit higher than a regular C. On his or her application, the student should indicate that the school was on a trimester system, and UC will calculate the GPA based on that."</p>
<p>Deduce from that what you can …</p>