Since their inception in 1992, the number of charter schools has grown to more than 6,000 in 40 states, serving more than 2 million students. Various studies have examined charter schools’ impacts on test scores, and a few have begun to examine longer-term outcomes including graduation and...

The primary lever American policymakers have used to improve school performance is “accountability” in the form of high-stakes testing. But the behavioral literature, overlooked in the education policy debate, shows that accountability exists in a variety of forms that evoke different...