Why Kids Should Grade Teachers A decade ago, an economist at Harvard, Ronald Ferguson, wondered what would happen if teachers were evaluated by the people who see them every day—their students. The idea—as simple as it sounds, and as familiar as it is on college campuses—was revolutionary. And the results seemed to be, too: remarkable consistency from grade to grade, and across racial divides. Even among kindergarten students. A growing number of school systems are administering the surveys—and might be able to overcome teacher resistance in order to link results to salaries and promotions.