A guy I really like is in my class. He has a gf but u think that is because no one else will go up to him. would it be wrong to say that I like him Please give advice on how to talk to him?

Well what you have to do is go up to him and just start talking to him and when you think it's right just tell him you like him and based on his reaction, If he smiles or says something like; I like you too, carry on about why you like him and slowly edge into to trying to go out with him, if you feel uncomfortable talking to him in person use facebook or text him and just get talking, eventually again when it feels right just say you really like him. My ex-girlfriend was texting me and just said "---- I have really got to like you recently." then after a while she just asked "---- if I asked you out what would you say?" Try that?