Girls i need help big time help?

ok theres this girl at school i have her for gym and shes aways sitting or standing near me and friday she wanted to see my year book so we both looked at it together and her ands where shaking and she was mummbling when i was talking 2 her i told my friend about her and her and her friends sit right next to us durring lunch and my friend caught her stairing at me and at gym she was with her guy friend and i dont know if she likes me or likes him its confusing or am i wasting my time i felf her hand touching mine when cl was over it happend a few times but i notice her talking to her guy friend and she was puting all the signs on him like touching her hair and laughing so does she like me or him when shes around me shes shy but when shes around him shes not i need help please and she wanted to see myphone so i said ok and she wanted to txt so i said ok who r u going to txt she said her phone idk if she did or not though so please help me