<p>It might be possible to take multivariable at a local college. (I still don’t understand why you don’t plan to do ECs. They have plenty of benefits outside of college admissions.)</p>
<p>“I want to go to a UC” is pretty vague, though. Be more specific. Getting into Berkeley out-of-state is quite a lot different than getting into one of the lesser-known ones as a California resident.</p>