In addition to the questions above: What are your AP scores that you have so far?
Calculate your 3 UC GPAs here, paying attention to the directions: GPA Calculator for the University of California – RogerHub
You will need at least one affordable safety school…identifying reaches is easy, it’s much more difficult to identify an affordable safety that you would be happy to attend. What school is that?
Run Net price calculators (NPCs) at all the schools on your list to get cost estimates, here’s Harvard’s: Net Price Calculator | Harvard NPCs may not be accurate if your parents are divorced, own a business, or own real estate beyond a primary home…are any of those the case for you?