What's the downside?

She hears the other students complaining about what a douchebag the principal is.

Be on your best behavior, young lady. Now you can get detention on top of being grounded.

I’m sorry you’re going to get all those easy A’s.

Good luck...that’s all that can be said.

What is the problem with that? you now have it easy to do different things and the teachers can't really be mean about it to you or give you bad advice that could get you in trouble.