If you like building models and really are that smart you might consider another route.
I'm a pilot and so is my brother, we're both college graduates but my brother is in a class all his own. He's a math geek and a physics nerd. Next year he finishes his Masters Degrees in Mechanical and Aeronautical engineering.
He is going to spend his life designing and flying things I can only dream of.
I admire your drive at such a young age but don't pigeon hole yourself just yet.
No one on this board is the same as we were at 14, you won't be either.