I'm bi(girl) hittin on one of my friends...?

I'm bi(girl) hittin on one of my friends. i met her last year but i barely talk to her. =/ I rly lyks her, but I dont noe how to hook her up. do i jus bump up before x'mas and tell her that i lyk her? this is my last year in high school, and i rly want to get wif her! is it any way that i could impress her and get her to lyks me???