CA medical schools are among the most competitive and are flooded with qualified candidates, so it’s a good idea to “apply early and broadly”. I’d recommend assembling a list of non-CA schools now, so he can apply early.
Regarding the MCAT-how does he feel about that score? Is it higher/lower than he expected? Why?
Here’s an article on MCAT scores:
https://www.princetonreview.com/med-school-advice/what-is-a-good-mcat-score