No SAT or ACT score yet? No GPA? You are in the equivalent of 10th grade?
Full free ride? That’s what you want?
Let’s start here There are not a lot of those, and they are highly competitive.
Best thing you can do now…as a homeschooler? You will need tippy top SAT 2 scores and tippy top ACT or SAT scores. You will need some letters of reference from someone other than your parents. If you score very highly on the PSAT your junior year and become a national merit finalist, that could open some doors.
Skipping a grade and being in a gifted program years ago won’t matter one bit.
Is your family a low income family?
If you are talking about merit scholarships…make sure you are looking at colleges that give merit scholarships. Some don’t.