raptorva,
I think many of us have started like you, with all kind of drawings in the margins of our school notebooks, then passing on to more seriously worked-out drawings. I certainly did....
I studied aeronautical engineering, but in my case I got more interested in performance, and stability and control, than in 'raw' design, so that's what I ended up specialising in.
So get yourself to university, then see which way your interests go!
CJ