There is a lot of FREE money out there for students from all economic backgrounds. Do not assume that you will not qualify for any free money in the form of grants, scholarships, etc.
Start here and be able to apply to a large amount of Oregon scholarships and grants.
Office of Student Access and Completion: http://www.oregonstudentaid.gov/default.aspx
You can also click on the link to fill out your FAFSA on that site.