girl advice...!!

Theres this girl at my school who im kinda into! we talk every day, in school and online and weve known eachother for a year and a half now, and weve been talking a loooot this year! we have a couple classes together including one where we paint murals alone together through the school..!! weve bonded a lot thtrough that class. Im thinking about aksing her to hang out, but i dont know if that would be weird or creepy or something ya know? id really love to get closer with her, but i have nooooooo clue how to. and who knows? maybe she will reciprocate ya know? 

HALP !!!