I m always hyper around people, how do I stop being immature?

I'm 13 and always hyper in front of my friends, I try to stop and I've even changed the group of friends I hang around with, I'm with some really annoying nerds now and still haven't changed, I AM WAY TO CHILDISH but just cant help it :(

In the past, I used to have some serious behavior problems ran away 10 times, hit my grand/parents and kicked off, I have even almost got sent to a home for adoption/foster and also sent to jail over night I got so out of hand, sorry for the lifestory