I want my boyfriend back- please help! :'(?

okay so i was dating my boyfriend for 7 months and everything was fine we were so happy and in love and on thursday he acted fine just like normal but then on friday he didnt talk to me and then in technology i got a text and he said in an angry voice "who's that? your boyfriend!?" then walked of and i was so confused also on friday people were coming up to me saying that he had said that he didnt wanna go out with me no more then eventually on friday night he changed his relationship status to single without even confronting me! so we talked on facebook for ages and he didnt give me a reason for why he broke up with me he just kept avoiding the question or not replying but i dont want this to sound like im full of myself but i think he still has feelings for me cuz all he ever does in chool is try and get my attention! he's just so hard to figure out and all my friends keep on saying forget him forget him but i cant im in love with him ive been in love with him since the day i saw him and i miss him so much and i just dont know what to do >.< and tommorow we half a school disco then we r off for half term so anything i do has to be done tommorow, im sorry this is really long but please answer please :'( my heart is broken here and this is the only place i can turn to - thank you so much for readng this xxxx