POLL: any1 have good advice on losing friends?????????????

my main group of friends have been back stabbing me and calling me an attention seeker and now i dont talk to them anymore but now i dont have any1 to hangout with except a few friends out of that clique.. im really sad and ive been crying but should i just get over it cus im gonna be a senior in highschool and i would end up not seeing any of them anymore?? thanks