This report updates the approach to estimating value-added models of teacher effectiveness in the District of Columbia Public Schools (DCPS) and eligible DC charter schools participating in Race to the Top during the 2012–2013 school year.

Describes how various components of Mathematica's complex study fit together and explains perspectives and principles related to 1) distinguishing implemented programs from intended ones, 2) ensuring broad coverage to explore competing theories of effective programming, 3) collecting...

This report describes the value-added models (VAMs) created for the Pittsburgh Public Schools and the Pittsburgh Federation of Teachers. Pittsburgh's VAMs use not only state assessments but also course-specific assessments, student attendance, and course completion rates, aiming to produce...