Just remember that kids can be ruthlessly cruel at times, and that your peers will not be as harsh on you as they get older and mature. Your best defense is just to show everyone it doesn't bother you (even if it does) when they laugh at you. If you can be open and forthcoming about your stutter, that is even better, and is trait that many of us here wish we would push ourselves to have! We will be here rooting for you buddy!