Need help as a high school player

[gura]

ok thanks, i think im behind.
im trying to focus as a SF, but evreybody are just faster.
i dont know, a 6'8 player is too small for PF.
im a player that have a good shopping, pantetrate not too good.
what should i do?
do you think that by age of 18 i can race and make my best of my self?

thnks