What does she want? I can't get her.

So there is this girl from my school. I just can't find out if she likes me or she doesn't or what the hell. We had noticed each other and I added her in Facebook after a few months. After the summer holidays she wrote to me twice there. The second time I was in a very jocular mood so I started joking around about a friend of hers and added in our chat another friend of mine that she didn't like much. So she got mad at me even though I apologised in the end.
Seems she had forgotten after a while because she smiled at me a few times but never said anything. Then she wrote to me again. But she didn't look at me in school at all. I just didn't exist. And then there was a party where she got drunk and was very talkative with anyone, including me. A few days after that she wrote to me, then again. everything was going fine until after that she stopped. She didn't look at me or if she did, she looked away in the same moment. Not sure but I think she had some boyfriend those days.
Then, after a few months she wrote to me from thin air. But it was calamity. She kept on with that 'i dont see you' attitude. Until once she smiled at me and we said Hi(being all alone in the hallway) Then she wrote to me a little after that (but there were problems with connection and we couldn't talk much). And from that moment on, she absolutely acts as if I don't exist.
So what the hell? I can't get her.

When people smile at you, look at you and exchange notes, that may mean she likes you as a friend but it doesn't say anything one way or another beyond that. You have to spend time together and talk about how each of you feel to make that judgement. Ask her if she wants to hang out. If she's interested in you, she'll like that idea. If she doesn't show any interest, it's not going to work.

hangout with her, because maybe she's looking for you to do that. I had the same kind of experiance and still playing the game. It's like a game, not saying I am a player, because I am not. I got a few girls that I been talking too, I just to find the one who fits me and the one who doesn't play games. Time will tell. I am not perfect eaither and that's another thing. The one who can put up with my strange personalty.

This one from a while ago, She watched me while I was walking my dog. She acted like she wanted to say, "hello" but never did. I realized she was into me, so one day I walked up to her. She admited, "I been meaning to say hi." Now we are friends, but we hung out a few times. She blow me off, not sure if I did something. Heard from my friend, she still looks for me. I been out of town for a while and not sure where I stand. I will stop at the house and say hi one day soon. To try to be friends or whatever.

So I would say, go ahead and talk to her. Try to spend a lot of time with her, but if she blowes you off again or acts like that. I would say she is very moody, so watch it.