This report presents the value-added models that will be used to measure school and teacher effectiveness in the District of Columbia Public Schools (DCPS) in the 2010-2011 school year. It updates the earlier technical report, "Measuring Value Added for IMPACT and TEAM in DC Public Schools." The earlier report described the methods used…

The District of Columbia Public Schools (DCPS) has incorporated measures of school and teacher effectiveness, based on student test score growth, into a new teacher assessment system known as IMPACT. Implemented for the first time during the 2009-2010 school year, IMPACT is an assessment system with significant consequences. Prior to the start of…

This book is a study of the federal program known as the Trainers of Teacher Trainers (TTT) Program, one of the largest national education programs in American history. The study was conducted by the Evaluation Research Center of the University of Virginia in an attempt to evaluate the TTT program and draw some conclusions about its failure.…