If your parents are low income then you need merit and/or need based aid. Merit requires high GPA and test scores. The schools that offer the best need based aid have low acceptance rates and all the accepted students have high stats.
It’s best to build your list from the bottom up. Choose a school you’re sure to get into, that’s affordable, and that you’ll be happy to attend. That might be a school within commuting distance of your home. Does your state offer grants to your in state public universities?