I (m) am crushing on a teacher (m) at my school.

I’m a 16 year old guy, and I have a sort of “platonic” crush on a teacher. I don’t actually like him romantically, or sexually, I just want to be his friend. Plus, I’m moving out of state this summer, so technically it would be legal at that point to be a friend of his by then, right? What should I do about this?