IMPACT teacher evaluation with pay incentives is effective for students & teachers 10/17/2013 - 00:00 A study released Wednesday of the controversial teacher evaluation system that Rhee initiated when she was chancellor of the District of Columbia Public Schools has found that both its threats of dismissal and big pay incentives worked as intended. Within its first three years, the system led to increases in the retention and the performance of effective teachers while encouraging ineffective teachers either to quit or improve.
