The Pennsylvania Educator Effectiveness System strives to place an effective teacher in every classroom. This evaluation system incorporates the use of value-added growth measures, not only at the teacher level, but also at the building level. These building level scores are included in every teacher's yearly evaluation. This study sought to…

Student peer effects are well documented. We know far less, however, about peer effects among teachers. We hypothesize that a relatively effective teacher may positively affect the performance of their peers, while a relatively ineffective teacher may negatively impact the performance of other teachers with whom they work closely. Utilizing a…

In this report, the authors describe the value-added models used as part of teacher evaluation systems in the District of Columbia Public Schools (DCPS) and in eligible DC charter schools participating in Race to the Top. They estimated (1) teacher effectiveness in DCPS and eligible DC charter schools during the 2011-2012 school year; and (2)…