Andrew Porter is the Patricia and Rodes Hart Professor of Educational Leadership and Policy and director of the Learning Sciences Institute at Vanderbilt University. He has published widely on psychometrics, student assessment, education indicators, and research on teaching. His current work focuses on curriculum policies and their effects on opportunity to learn. Currently, he has research support from the National Science Foundation (co-director, System-Wide Change for All Learners and Educators; principal investigator, Longitudinal Design to Measure Effects of MSP Professional Development in Improving Quality of Instruction and Science Education; principal investigator, Improving Effectiveness of Instruction in Mathematics and Science With Data on Enacted Curriculum); and ED’s Office of Educational Research and Improvement (Consortium for Policy Research in Education). He is an elected member and former officer of the National Academy of Education, Lifetime National Associate of the National Academies, and past-President of the American Educational Research Association.