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...

We use data from a sample of applicants to a national means-tested school voucher program and a national sample of the population eligible for the program to evaluate the factors leading families to use school vouchers. Our analysis divides the process of voucher usage into two distinct stages:...