either she is quiet and just tuned out and doesn't care or she is just be nice. There is a small chance she is interested but probally can't say she definently likes you.
I am a girl. But here's some advice.
talk to her. Try and become friends. If she gets feeling for you there are a few ways to tell. one is she will tell you secrets or family problems. A second way to tell is if you tease her and she says stop in a playful way then she likes you and wants you to tease her. Some girls are really confident and will just tell you that they like you. If a girl asks you if you like her then she probally likes you. If she has her friends or sibling ask you if you like her then she definently likes you.
Good luck! (hope you get the girl)