Hmm? Can anyone help me please?

Alright first of all Im almost 15.And I Like her. Yea so im a freshmen :P well there is this girl i sit next to in cl and she has been messing( not messing but more like... umm fidgeting?) with my stuff? binder.. yea not like aggressively but more like playfully :P... yea well and i like hardly know her and all because school just recently started.. ( about a month ago) so yea shes been talking to me about ..idk stuff.. like she was seeing what songs were on my ipod and like she did know about limewire and all so i told her and lol she couldnt figure it out ;o.. lol kinda off topic.. So the Question is is she flirting with me? and does she like me? O.o so yea idk i'm TOTALLY LOST. ANY advice would help.. ty.. ;]