If she used to when she was younger, she might have moved on. And don't get fooled. She could just be curious about you as a friend. If she giggles and does wierd things around you she might like you. And test the water yourself. Let her know you're interested. Do things like call her up at night just to talk, open the door for her, throw away her trash in school. Being a girl, I get confused if I like a guy or not, so be patient. She might not know right away. But if she does, She begin to act just a little different. It's a very slight change, so you don't really know. The vibe might change, also.