I could be wrong. But they look like self harm scars on her stomach and leg in the images
Also, the ones on her arm look look fairly serious.
With that kind of incall availability, I'm not sure how much of a student she really is. Feels like she's desperate for quick cash and the fact that her profile was amended so quickly after the BB comment suggests to me that OP is not all who he might want us to believe he is.
She may appeal to some but a big fat avoid from me.