How to know if a girl likes me?

In your silly playful way before departing, kiss her on the cheek, smile, check her reaction keep smiling, turn around and walk away and act as if it was nothing really when you next see her, judge the way she then speaks to you, if it's with a lot of smiles etc, ask her out.

1: ask her 2: she probally wants to be friends with u. try talking to her more and realy be freinds with her. then u can tell her or ask her. also look for sighns of things. maybe ask her friends.

This is really simple. So pay attention.

If you are old enough to date, then ask her out. If she says yes, then she at least is interested in exploring whether she has feelings for you or not. If she says no, then you have your answer.

If you are not old enough to date or cannot yet date due to whatever, then you will need to be direct and ask her. Tell her, during a playful time, that you really like her a lot and ask if she shares those same feelings toward you.

In other words, ask her. Even her friends may not know how she feels about you. And you may get misleading answers from them, depending on how they feel about you.

Well its hard to tell if she likes you or not. From what you're saying, she may like you but a lot of girls just like flirting with guys they think are cute because if she doesn't talk to you outside of class or try to catch you in between classes, I would say shes only flirting with you. Im the same age as you and that's how most girls I know act when they have no other intention other than flirting. If you want to start a relationship with her, you should definitely try to have a real conversation with her and then you'll be able to tell if you two click.

Come on, ask her out. This is how it works:)
If she refuses, you'll now for sure whether she likes you or not.
Wish you all the luck!

When a woman puts up with man's nonsesnse she likes him !

I think the best thing to do is just ask that way you will know for sure and its coming from here and not someone else who might be lying or is unsure.

Her lips - pay special attention to her lips. If she licks or bites her lips, that is very good positive sign. Sometimes she will first look you straight in your eyes and then, after she throws a look on your lips, she will lick her. That is a very strong sign and that means she wants you to kiss her.Biting lips is common sign of nervousness. And it is very common that we are nervous when we are in presence of person we like. So, if she bites her lips, that is also a great sign