Where do the aerospace employers in your own country want you to get your education? Start with that. Their notion of what constitutes a good university is what matters.
How much can you and your family afford to pay? You need to give us the dollar figure, not a percentage.
To start with, read through everything here: https://educationusa.state.gov/ Then contact the counselors at the advising center closest to where you live. They can help you with the whole process: https://educationusa.state.gov/find-advising-center