So your parents can show 20k from income and savings - can they secure 12k in loans, each year? You will need to show that for the first year and a letter from your bank wrt stability of income and loan agreement.
Is St Edwards better than universities that admitted you at home?
Are you comfortable with Catholic imagery (crucifixes on walls, a chapel on campus) and the core requirements?
The Purdue-Indy campus is not the same as the main campus and way too expensive so it’s easy to cross out.