What colleges should I look into if I want to become a children's cance doctor?

It Doesn't Matter! You're getting ahead of yourself. You need to get into medical school; there are very few colleges that will keep you from doing that. Accomplishing that is up to you! you then need to get into a pediatric residency. There are few med schools that will keep you from doing that. Accomplishing that is up to you! are you getting the drift? It's not where you go, it's what you do when you get there!