This study explores the disparity in access to effective teachers in 29 school districts across the country, revealing that disadvantaged students receive poorer-quality instruction, on average, compared with other students. Mathematica conducted the studies for the Institute of Education Sciences.

By offering $20,000 per teacher, seven school districts piloting a transfer-incentive strategy, known as the Talent Transfer Initiative (TTI), filled 90 percent of their targeted vacancies in hard-to-staff schools with some of the districts' highest-performing teachers. A new study highlights...

This report presents the methods used to identify effective schools in the Memphis City Schools during the second year of the project.

In this report, we document our approach to estimating a value-added model of teacher effectiveness in the District of Columbia Public Schools and eligible DC charter schools participating in Race to the Top during the 2013–2014 school year.

This report describes the value-added models that were used to estimate measures of teacher and principal effectiveness in Charleston County School District for the 2013-2014 school year. These measures are combined with other measures in the district’s multi-dimensional BRIDGE evaluation...

This report presents the methods used to identify effective schools and teachers for a consortium of over 140 charter schools in 17 states and the District of Columbia during the second year of the project.

This report, a multisite randomized experiment looks at the Talent Transfer Initiative, which offers a $20,000 incentive to high-performing teachers to move to low-performing schools. The intervention had positive effects on student test scores in math and reading in elementary...