Whichever one you are good at. You are going to grow in High School, hone your skills at all positions and see which one you like or are best at.
Kicker or punter
Anyone you choose! - Most coaches would have you on the line
anything but defensive linemen
if yoiu are fast corner, saftey, running back maybe fullback haha dont matter as long as you lace people
widereceiver you would be a beast
Wide reciever, safety or cornerback