Does she like me? Hmm? seems like it to me? :/?

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.. ;] Should I go for it or wait like a Whiiille..? because i was too afraid like last year and then she had a bf and soo ya... not the same girl tho but you get wat im saying. and this just hapened like today o,o on friday so like ill see wat hapens next week xD hopefully something good..