An FYI…check residency requirements before you move. Some places require two years of residency before instate tuition status is given. Some keep you as you were when you enrolled so if OOS, that is your status all four years. Some don’t grant instate status of your kid is already enrolled because that implies you made the move to gain instate status.
With all the colleges in CA, and the exchange, your kid has LOTS of great options.
I would suggest you also look at University of New Mexico and Arizona.