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New Findings

Simple and Credible Value-Added Estimation Using Centralized Assignment

Working Paper

Joshua Angrist, Peter Hull, Parag A. Pathak, and Christopher R. Walters

December 2020

Many large urban school districts match students to schools using algorithms that incorporate an element of random assignment. We introduce two simple empirical strategies to harness this randomization for measuring the causal effects of individual schools. In applications to data from Denver and New York City, we find that our models yield highly reliable school effectiveness estimates.