Cassandra Guarino is professor of education and public policy at the University of California, Riverside. She previously worked as an economist at the RAND Corporation and on the faculties of Michigan State University and Indiana University. Her research focuses on teacher quality, teacher labor markets, school choice, and issues in which health and education are linked. Her work includes several studies related to value-added measures of teacher performance, teacher effectiveness in the early grades, school choice, teacher mobility, and special needs identification. She has led numerous grants, including the Institute of Education Sciences and various state agencies and foundations. She received her PhD in the economics of education with an emphasis on labor economics from Stanford University.