These kids aren’t cruel. But they are not emotionally developed. Twelve-year-olds play on the playground like eight-year-olds. The way they exclude one another is the way eight-year-olds would play. They don’t seem able to put themselves in the place of other children. They say to other students: “You can’t play with us.” They are not developing that way of relating where they listen and learn how to look at each other and hear each other.
