The new federal education law, the Every Student Succeeds Act (ESSA), envisions a powerful role for states in managing the evidence base behind school improvement efforts. Not only must they certify that interventions meet the "evidence-based" requirements spelled out in the law, they also must monitor and evaluate federally funded…

This article reports on why states are quitting the Partnership for Assessment of Readiness for College and Careers (PARCC) and Smarter Balanced Assessment Consortium (SBAC). The two consortia sought to develop state-of-the-art assessments that focused on problem solving and the application of knowledge, and that moved away from former tests'…