[Porsche-O-Phile]

Yep. She needs her grades in order to go anywhere in this world. Time for something else (or a couple of "somethings") to be cut, at least until the grades improve. Maybe something like "no honor roll, you only get one extracurricular activity and ONE night out a week". . .

Success is EARNED - at least for those of us not born with a trust fund. This needs to be reinforced with her. Her spoiled brat BF is clearly distorting her view of reality.