How do you make a band famous and popular?

hey, ive got a ska band, and we've performed live and really BLOWN away people. We are all in high school and would like to get famous. The thing is that it seems like people will see us, clap loudly, skank, dance and everything but then never really follow up on it by coming to more shows. How can i get us popular and famous....even though u havent heard our songs just answer the question with an attitude that we have really good ska songs