Call me Mr. Gatto, please. Twenty-six years ago, having nothing better to do, I tried my hand at schoolteaching. My license certifies me as an instructor of English language and literature, but that isn't what I do at all. What I teach is school, and I win awards doing it. Teaching means many different things, but six lessons are common to schoolteaching from Harlem to Hollywood. You pay for these lessons in more ways than you can imagine, so you might as well know what they are: The first lesson I teach is "Stay in the class where you belong." I don't know who decides that my kids belong there but that's not my business. The children are numbered so that if any get away they can be returned to the right class. Over the years the variety of ways children are numbered has increased dramatically, until it is hard to see the human being under the burden of the numbers he carries. Numbering children is a big and very profitable business, though what the business is designed to accomplish is elusive...