Crush problems (guys and girls are welcome to answer)?

so i like this guy in my science and social studies cl. he's really nice and he's brilliant! he's so sweet and sensitive and i want him! but how do i get him to like me? i wanna go out with him. i wanna be with him. but how can i do that? i mean like everyone knows except for him, and i know he definitely doesnt like me now. cuz my friend subtly asked him. i'm friends with like one of his really good friends and i can talk to anyone about it. i'm friends and close to everyone but him. how do i do it? how do i get a guy to like me?