You get financial aid by completing the FAFSA online and they let know what you qualify for. For scholarships you have numerous choices. Most schools have their own scholarships but you can go to fastweb.com, petersons.com or collegeboard.com and apply for scholarships.
fafsa.ed.gov
You will need your parents tax return and you complete the FAFSA in January of the year you graduate HS and go to college. They have a time deadline so make sure you do it on time.