Does this popular girl like me? Answer please?

Theres this really pretty girl whom is very popular in our school. However, she didnt have a boyfriend in a while. I was wondering, does this girl like me? There seems to be all the signs. For example, we sit near each other w/ our friends during lunch. She looks at me alot and she asks my guy friend questions about me. When i overhear my name, i ask what they were talking about, and she doesnt make eye contact with me. I even heard her whisper my name to her friend twice and start laughing, she coudnt make eye contact with me afterwards. 2 weeks later, she trys to make eye contact with me during lunch, and we glance over at each other during lunch. She looks up everytime i get up to throw something away or etc. She also ims me alot in the morning on msn asking me for homework, or even texts me asking for homework. However, we rarely have homework for the one cl we share, chemistry. We usually have a convo. afterwards because her questions for asking homework seem to be an excuse just to talk to me. Does she like me?