What can I do to get a full ride scholarship if I’m an international student (Colombian)?

I know some colleges care a lot about extracurriculars, and I’ve done a lot of volunteering and been trying to improve my participations at forums or speech competitions. I have really good grades tho. I want to have a degree in Computer Science, but in my country, the most similar undergraduate is Systems Engineering. I’m asking about full ride scholarships because I know colleges there are really expensive, and my parents don’t have enough money to pay that. I graduate next year in November (educational system here is different)