Maybe she just wasn't ready to move in and be that serious. You should talk to her about how you feel, and ask her if it would be better if you didn't live together right now, but still be together. Also, it probably was hard for her to give up college for a relationship. She may have realized that was the wrong decision for her. Did you ask her to give up college? She may be resenting you for that reason. You need to meet her for lunch or something and have a real long talk about your relationship, and why she wanted to end it. You may be able to make some compromises that will make you both happy. Good luck with it!
Oh my god. So you should totally NOT try and get her back. That's stupid, what you should do is to try and find someone new. But not because you want to get her back. Once you really like the girl, make it noticeable..and she will definitely notice. That will hurt her a lot. Another thing you could do is tell her how you felt, and if you are over her or not. The honest way is the best way to go. Trust me, I am a girl. I know these things ;].
Find out why she broke up with you in the first place... Because I'm sure there was reason if she still loves you...
And then see if you can fix it...
And if it's something that can't be changed... Let it, and her go!
K you need to find out why she broke up with you there had to be some kind of problem she wouldn't just dump you if she loved you there had to be some complication she wouldn't just dump you like that
Why would you go back to her if she left you but if you love her go and ask her to move back in with you.