Why are you so concerned about getting in a relationship? Whats the rush? You're young! You have many many years left and a whole life ahead of you. You should be having fun not making yourself miserable over a girl. The right person will come eventually it's just you have to be patient and let it happen. Don't focus on what you don't have, focus on what you do!
Once summer starts have your friends numbers and call them up! Also you can get a job to keep yourself busy and meet new people. Though it will require effort from you to do it and it's not going to happen for you. You have to take the initiative to do something otherwise nothing will change.