There's this total qt3.14 at my school and she's into all the shit I'm into but she doesn't even know I exist. How should I get her attention?
Talk to her
You see her do a cool thing "Dang, girl.. that's a cool thing. Did you know about other equally cool thing"
Start a conversation.
Follow her home so you know where she lives. Dig through her trash bin at night. You can usually find some clues about other things she likes to do, favorite foods, hobbies, whether or not she uses birth control, medications, etc. The list of things you can learn about her is really quite extensive.