How can I score a hot girl?

Okay, I'm 14 and about 5'7" and in the 9th grade. I really want a girlfriend. I don't see what the problem is. I think I'm pretty smart, I'm taking pre-calc and AP classes. I'm pretty fit, because I used to take swimming and I'm currently taking 3 martial arts. And I'm pretty good-looking. I've asked several people... show more Okay, I'm 14 and about 5'7" and in the 9th grade. I really want a girlfriend. I don't see what the problem is. I think I'm pretty smart, I'm taking pre-calc and AP classes. I'm pretty fit, because I used to take swimming and I'm currently taking 3 martial arts. And I'm pretty good-looking. I've asked several people out, but they've all said no. I noticed that there's this girl is absolutely butt-ugly, dumb, and she's had like 5 boyfriends. So what is the problem? How can some ugly girl get any boy she likes, but a guy like me can't score any girls? Oh... and another big problem... if I do get a girlfriend, how can I get my parents to accept her?