"I Forced My Student to Stand Up Because He Refused to Look at the Board—Then His Shirt Lifted, and the Silence Was Deafening. Chapter 1: The Wall I’ve been teaching eighth-grade English for twenty-two years. You learn to spot the troublemakers in the first five minutes. You learn to spot the geniuses in the first week. But the invisible ones? The ones who try to blend into the drywall? Sometimes, you don’t see them until it’s too late. Leo was invisible. Or at least, he tried to be. He transfer