I like this girl how can i get her to be my GF?

i like this girl in college and this is her last year so she will be leaving college soon anyway i need tips of getting to know her we have only talked once and that is when i was sitting next to her and saw a spider crawling across the table and she doesnt like spiders lol. so any tips guys of making her my gf?? NOTE: she does look at me in corridors most of the time but we dont say anything to each other.