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.