Does he like me or not?

Theres this guy and I really like him I don't know if he likes me or not but at school I try to talk to him but I chicken out and I don't know what to talk about i think he looks at me but on friday my teacher called he and I and a few others up and when the teacher talked to me the guy I like looked at me and when the teacher talked to the others the guy I like didn't look at them I talked to him over Facebook but some of the things I said he didn't respond to and he didn't say bye I asked my friend to talk to him and she said she'll put in a good word for me and over Facebook when we chatted he laughed at what I said but I asked a friend of his and she said he doesn't like anybody what do I do does he like me?!?