LINDA DARLING-HAMMOND is Charles E. Ducommun Professor of Education and Faculty Director of the Stanford Center for Opportunity Policy in Education at Stanford University. Darling-Hammond is a former president of the American Educational Research Association and a member of the National Academy of Education. Her research and policy work focuses on issues of educational equity, teaching quality, school reform, and performance assessment. Among Darling-Hammond's over 300 publications are Preparing Teachers for a Changing World (with John Bransford, for the National Academy of Education) and The Right to Learn. FRANK ADAMSON is a Policy and Research Analyst at the Stanford Center for Opportunity Policy in Education (SCOPE). He currently focuses on the adoption of assessments of deeper learning and twenty-first-century skills. He also conducts research on educational equity and opportunities to learn and has published on teacher salary differences within labor markets in New York and California.