This paper reports on a randomized experiment to study the impact of an alternative teacher preparation program, Teach for America (TFA), on student achievement and other outcomes. We found that TFA teachers had a positive impact on math achievement and no impact on reading achievement. The size...

Much of the controversy surrounding school vouchers, and privatization schemes generally, stems from concerns about social stratification. This paper identifies the form and magnitude of selection effects in a means-tested New York City voucher program. It compares students who applied for...

This article examines the effects of school vouchers on student test scores in New York, New York, Dayton, Ohio, and Washington, DC. The evaluations in all three cities are designed as randomized field trials. The findings, therefore, are not confounded by the self-selection problems that...