Need advice

Ive been getting 2 know this guy n my class and i want to take it to the next level(keep ur mind out of the gutter) what/how should i go about this?

Ask him to be your partner in gym!
It's easier said than done, I know.
If you really like him then you should try talking to some of his friends, or try finding out what he likes. Don't change your personality, but be creative & outgoing.
Guys like girls with self-confidence.