submitted by teachers. We compared the performance of classrooms of elementary students in Los Angeles randomly assigned to … teacher impacts on student achievement. We found that students randomly assigned to highly-rated applicants performed better … than students assigned to comparison teachers, while students assigned to poorly-rated applicants performed worse …

Population survey to impute income for dependent children by race, mother's education, urbanicity and state and then calculated …Since 1990, U.S. policymakers have worked to close gaps in academic achievement by income and race (e.g. with school … finance reform and school accountability systems) even as rising income inequality and income-based residential segregation …

which school principals were provided with estimates of the performance of individual teachers in raising their students …