At this point in your life it is very normal to feel like you do. There are things that you can do to show your parents that you have the maturity to do some of the things that you would like to do. Here is a link to some things that you can consider.
I'm treated like a baby. My parents don't let me walk anywhere by myself or w/ friends or biking, or even go outside by my self! And all my friends go to movies and stores but I ain't even aloud to leave the house alone?