There is a place for you. In your school, your place of worship, your family, your friends, your workplace, your town or country. Things sometimes will suck and you will feel like you don't belong but there is always a place for you. There are better places and sometimes there are worse places but right here right now? You have a place and a value and a reason to be here just as much as anyone else. Why? Because you are alive. Because you have talents and gifts and insights and hopes and dreams. Even if you had none of those you would still belong and have worth. Just because of the simple fact that you were born. Nobody can take that away from you. They will try and some days you might believe them so you will try to.
I've been told that in the not so distant future that "it" will get better. Never forget that the near future will get better too. There are people who love you , every part of you even the dark parts you keep locked inside they will love and you will learn to love these things too.
No matter what though remember you belong. Carve out a place for yourself in the world and make a mark. Surround yourself with loving people and march onward. Life is never going to be easy but god it can be incredible.