IES is the primary research, evaluation, and statistics arm of the U.S. Department of Education. Established through the Education Sciences Reform Act of 2002 (ESRA), the Institute's mission is to expand fundamental knowledge and understanding of education and to provide education leaders and practitioners, parents and students, researchers, and…

Assessments matter in education. Testing is nothing new; tests have been around as long as school itself. However, over the last 15 years, state assessments have grown to be an increasingly central, and often controversial, part of schooling. As states raise their standards, it is more important than ever to ask: What is a high-quality assessment?…