Thomas Espenshade (Ph.D., Princeton University) is Professor of Sociology and Faculty Associate of the Office of Population Research. He is director of the National Study of College Experience (NSCE) and Campus Life in America Student Survey (CLASS) projects. His past research has concentrated on social demography, with a particular emphasis on population economics, mathematical demography, family and household demography, and contemporary immigration to the United States. His current research is focused on diversity in higher education; recent journal articles include “The Frog Pond Revisited: High School Academic Context, Class Rank, and Elite College Admission,” “Self-Efficacy, Stress, and Academic Success in College,” and “The Opportunity Cost of Admission Preferences at Elite Universities.” His book No Longer Separate, Not Yet Equal: Race and Class in Elite College Admission and Campus Life was published by Princeton University Press in 2009. Prior to joining the Princeton faculty in 1988, he held teaching or research positions at the University of California-Berkeley, Bowdoin College, Florida State University, The Urban Institute (in Washington, DC), and Brown University.