The Common Core State Standards Initiative, in its aim to align diverse state curricula and improve educational outcomes, calls for K-12 teachers in the United States to engage all students in mathematical problem solving along with reading and writing complex text through the use of rigorous academic content. Until recently, most teacher…

Charter schools have moved from being widely viewed as a marginal force in public education reform to taking on a central role in our national, state, and local debates around improving education. And a growing number of policymakers--including superintendents, mayors, governors, and even U.S. Secretary of Education Arne Duncan--are using…