Pressing questions about the merits of full-fledged market accountability in K-12 education, and more limited choice programs, have spawned a large scholarly literature. This article assesses what we know from the most prominent studies and the importance of those findings to school system reform discussions. The studies most widely cited in the…

Most other nations have a very different approach to measuring academic achievement at the end of high school and signaling that information to universities and other interested parties. In Australia, Denmark, England, Scotland, Finland, France, Ireland, the Netherlands, and many Canadian and German provinces, for example, high school exit…