Teacher Evaluation and the Triumph of Empiricism
A year ago, Adrian Fenty was the mayor of Washington, DC and Michelle Rhee was the chancellor of DC Public Schools. Rhee had made overhauling the DC system of teacher evaluation the centerpiece of her controversial and widely noted reforms. Instead of the standard system of seniority-based raises and nobody ever being fired for bad teaching, Rhee wanted to give the best teachers big raises and show the worst teachers the door.
The American Federation of Teachers was so alarmed by the prospect of the DC teachers union acceding to this plan that AFT President Randi Weingarten shoved aside local leadership and forced Rhee into a protracted series of negotiations. But because teacher evaluation is legally excluded from collective bargaining in DC, Rhee was able to put her system in place unilaterally. After a year of evaluations under the new IMPACT evaluation system, she made good on her promise: big raises for the highest performers in a time when teacher salaries