So technically after you take the SAT and if you score really good grade, I assume you are a high schooler, keep your class rank and average score high especially grade 11. Do extracurricular activities especially related to what you want to study in the futurr, have leadership positions in clubs school mnamn and try to take part in competitions and also learn how to be a good essay writer because your common app essay really matters for your admission. And then you will apply through Common Application to schools specifically those who give full financial aid for international students. So things you submit with your application mainly are: 1. Your transcript 2. Your essays 3. Teacher and Counselor recommendation letters 4. List of extracurriculars 5. List of awards You can/might have to also submit your resume and a portfolio if you have one like if you are good on art mnamn which really boosts your chances.