I’m going to actually answer your question.
4.0
At least two professors who will give you good letters recommendation
At least three references
At least a few hours of some extracurricular activity outside of school per week
Always be doing something over the summer
If you do those things you will have a good chance of getting the Regents scholarship for your school, and other scholarships. Do some research and you’ll find some other scholarships as well. Private schools provide more FA than the UCs, though the higher costs generally balances things out.
P.S. Keep records of your extracurricular activities and any kind of honors or awards you receive. This will help you save time on applications.