I have a possecion charge of marijuna in utah and i am 15 what is my charge going to be?

well the kid has asked me for a week over and over to buy some weed from him and the cop at the school caught him so what is going to happen to me this will be my 3rd thing because i have been introuble stealing and selling spice and haveing it but i also have special education and also another thing is at that school this other kid who didn't get caught tryed to give me ecstacy a few days before that but i didnt take them and i also had a clean ua so what do you think they are going to do to me i moved from utah to wendover nevada to get away from the druggies any answers of what there going to do?