If it's common knowledge that you're the best student in science class, then it's natural for people -- like her -- to come to you with questions about homework or an upcoming test. But if she texts you with questions she could just as easily find elsewhere, pay attention. Is she reaching out to you on Facebook with "Hey, what day is Winter Homecoming?" That's not a clue, that's a bright orange flare.
Even today, more often than not, the girl wants you to make the first move. But that doesn't mean she's out of bounds with lots of indirect references [source: Dating Excellent]. Speaking of out of bounds, do you know when the Friday night football game is? Friday night, you say? Just checking.