I am going to help people guess the truth.
I didn't go on a school trip one day and got put in Howe's class. The whole class got a 350 word essay, me too.
One thing he did do was break the end off the chalk before using the board. The squeaky sound must have bothered him. He used his thumb nail and broke it of, flipping it into the bin, from anywhere in the room. We used to move the bin. He still got it.