Go chase her.. don't give up on her. She's already flirting to you, so its mean she has a feeling for you..maybe she talk to other guys because she want to make you jealous to make sure whether you really like her or are you really serious after her.. just go chase her!!!
I'm a guy in high school and my crush and I have been flirting. Today I saw her talking with some other guy after school and it looked like she had feelings for him more than me. What should I do? Focus on myself and my friends or should I chase her?
Go flirt with another girl, if she has a problem with it then it means she likes you too, if not, just move on bro.
I wouldn't get too hung up on this girl yet. If you were in a relationship already and you felt strongly about her, then I would say work on it... But she's free to flirt with who she wants.. As are you, so chase her and chase others. Try not to get too emotionally attached until you have a steady girlfriend (like a few months of going out at least), otherwise it will just end in heartbreak!
Tell her about your feelings. I think you are in love with her that's why you are feeling this way. If you were comfortable with her and had have feelings for her than you could ask her. Don't cheat her again, if you cant be loyal, let her go with another guy with she could be happy.
There are many girls out there, go out and enjoy...