Congratulations on being accepted to college! You will have a wonderful time.
First I would talk to your guidance counselor who can steer you in the right direction. Also, apply for any scholarships for which you are eligible as a lot of scholarships go unused, as no one has applied for them. There are some really unusual ones out there.
Here are some websites that you can check out for information on financial aid and scholarships:
I wish you luck on your college career!