I legit need help lol?

Ohhk so theres this girl i like that goes to a different school than i do. were both freshmen. shes like the complete opposite of me: shes smart, doesnt cuss, good person, & energetic. im fairly stupid besides computers, cuss constantly, a horrible influence, lazy. i asked her if she wanted to go to the mall valentines day weekend, but she was in the school play/musical-thing which oppened that weekend. how can i find out if she likes me? btw her friends that i know kinda hate me & my one friend that goes to school w/ her would be a douche & f u ck me over if i asked him to find out. I DO NOT HAVE A FACEBOOK. & how can i get her to like me if she doesnt already? & how do i ask her out w/out sounding like a dumbass? ive only had 1 gf & she was like me. but it didnt end well cuz she cheated on me. im 5'11", long black hair, somewhat bad acne but its going away, wear cross earrings, leather bracelets, 7 necklaces, a bandanna, tight black jeans, tight-ish shirts, paint my nails black, & wear aviators sunglasses. shes like 5'3"-5'4", long-ish brown hair, has a little bit of acne, & wears really tight clothes. any advice?