Can I get into Harvard university using a scholarship ?

I am a grade 11 doing Sciences in Hofmeyr high School in Atteridgeville in Pretoria.I would love to be in Harvard or Stanford university in the year of 2025 that’s my goal that I’m trying to achieve right now but, I don’t have enough finance to pursue my dream of being a neurosurgeon .I would like Crimson to help me out through my Journey