I used to do gymnastics (I still like to do a bit once in a while) when I was younger but easily got bored of it so I started playing netball and played it for three years but my parents don't really want to travel the distance anymore. I am sort of thinking volleyball now but I don't know, I would like a sport that is interesting and fun(and DIFFERENT!!!!)
By the way I do dance at school so I would like to get away from that topic.
I'd recommend rollerskating. It's great fun for kids if both genders. When I was about your age, my next door neighbor took me rollerskating, and. I loved it. I'm a guy too, so it's really fun for both genders. It's also good exercise.
Tennis
soccer or hockey. You can get in a girls team and then it will be a lot of fun.
tennis