You went up to the front of the class and said "I'm teaching this class today teach. So just sit in my desk like a good student so you can learn as well." Your words seemed to have an odd effect on her as your teacher looked a bit irritated as she went to sit in your desk. You looked around the class and everyone was between 13-15 besides the teacher so you asked "So class what does a good student here look like?"
One hand immediately went up. It was Claire 13 and definitely the youngest of the class and seemed a bit childlike, but she was rather smart and always raising her hand so you said "Alright Claire go ahead and give an answer."
Claire said "A good student is punctual, listens to their instructor, is willing to question weird information, and do work assigned to them!"
You said "Always the cheery skeptic aren't you? However i'd have to agree that a good student is punctual which is exactly why Mrs. Blore is not a good student along with a few other things. She was late wasn't she? So i'll give her some quick work in order to make her a good student." You wrote out an assignment to "Become 14, forget all knowledge gained from this grade onwards, and to always do what Claire wants her to do." and it was due in a second after receiving the assignment. You flung the paper to Mrs. Blore and the paper just kind of just floated and fell onto your old desk. Blore looked at it and then shrunk as she youthened to the average age of everyone else. You then said "Alright then class today we'll be learning about..."