Is he interested or should I move on?

ok i really like this boy who has 3 out of 4 classes with me in school but he dosent seem to knowtice me at all! he rides my bus and i mean yah, if im messing with someone he looks over, if im flirting with someone he looks over, and if im passing notes with his friends hell look over and lots of times ill catch him looking at me in classes that he sits in clear veiw of me! i have asked him out befor and his friends say he likes me and lots of times they joke about us together but even if im friends with his friends he wont talk to me! i always have to start the conversation! and its never much of a conversation only like three sentences escape his mouth even though i leave plenty of time to talk! his friends saw me get asked out and say no to someone, and lots of times he opens my locker for me but i dont understand why he dosent talk to me! once he gave his friends a fake number to give to me and another time he told me he had a girl but then his friends said “so your taken by an imaginary girl now huh?” and i heard him talk about a girl he likes! just friday i used a boy who rides our bus to make him jelous by hugging him and giving him a back rub {he was stareing at me the whole time!} but he didnt say anything now i’v assured his friends im over him but i know he knows im not cuse i still catch him looking at me in fourth periond and he still catches me looking at him im sure! what can i do? im just really confused about it! he even asked me if i was going out with someone befor! and i wrote a note to my friend who sat nxt to him in 2nd period about how someone i used to date was being mean screamin at me and making me cry with an occasional slap across the face and he read the note when my friend wasent looking but hasent said any thing! is he interested or should i move on!?!