Why does this girl look at me?

im in most of her cles and tutor and she keeps looking at me in french cl 2 of my friends keep on saying to me that she looks at me and she whisper to her friend something then giggles plus when i walk in at cl she giggles with her friends i dont realy know her. i turn around with corner of my eye i see her staring at me i hardly know her because it my 1st year but she stands by the corridor to make me brush sholders .when she stars at me she always touch her hair