School vouchers are not a proven strategy for improving student achievement: Studies of U.S. and international voucher programs show that the risks to school systems outweigh insignificant gains in test scores and limited gains in graduation rates

School vouchers are not a proven strategy for improving student achievement: Studies of U.S. and international voucher programs show that the risks to school systems outweigh insignificant gains in test scores and limited gains in graduation rates: Summary Betsy DeVos, the new U.S. secretary of education, is a strong proponent of allowing public education dollars to go to private schools through vouchers, which enable parents to use public school money to enroll their children in private schools, including religious ones. Vouchers are advanced under the rubric of “school choice”—the theory that giving …