Brian Sims is managing director of training academies at AUSL in Chicago. Betsy Haley Doyle co-authored this blog. She is a manager in The Bridgespan Group's education practice.
Last June, as principals and teachers from 14 Chicago public school "turnarounds," run by the nonprofit Academy for Urban School Leadership (AUSL), gathered at the Academy's leadership summit, there was a moment when the room turned silent. A slide went up comparing the percentage of students achieving annual expected growth at each school to the average score for each school's teachers. The figures were based on a sophisticated teacher evaluation tool, the nationally recognized Danielson framework.