I always feel like everybody hates me And if they act friendly with me i feel like they just do...

You are going through a stage of low self esteem. It will get better but you have to work on your confidence. Walk into a room and OWN that sucker. you can do it. It is a hard time to be young but it is still the best time in your life. Dont let this slip by. YOu can do this. We have all had to do this in our younger days and we survived.. good luck and remember Own that shit it is yours.