File as soon after January 1st as you can. If you decide to attend after January 1st, file as soon as you decide to attend college. You must file by that date to get a chance at the best money available. The California Community Colleges will be able to serve you with better financial aid if you apply early, but applications are encouraged throughout the 18-month cycle. Meet the earliest deadline of all the colleges you are considering.
Some schools report the GPAs for all their students.
Your high school or college will tell you if you need to file a separate form. This form asks for supplemental information to help the college decide how to spend its own money. All colleges may request follow-up information after you file your application. It's important to respond to all requests as quickly as possible. Call the financial aid office at the college of your choice for help.