Okay, maybe it's because I've been out of high school for a while but "thanks, what's your background?" seemed like a weird response to a compliment. I agree that "let me think about it" might as well be a no, but you might still have a chance if she's one of those mixed signal types. See if she'll hang out with you outside of school, like a game of mini-golf or something. Not a movie though, not much room for talking there.
360 games completed 100% retail: Armored Core 4, FF13, FF13-2, Force Unleashed 2, Halo 3, Halo Reach, Mass Effect 2, Mass Effect 3, The Last Remnant, SSX.
actually a haiku is just 17 syllables. 5/7/5 are just the easiest to come up with. And no this isn't a haiku, not even close.... and bro i hope you made your move with obvious confidence. It doesn't matter the chick confidence is hot. There are predetermined dispositions that all straight girls have for men. To know whats those are watch videos of how female animals choose their mate..... mate.