Paul Attewell is Distinguished Professor of Sociology at the Graduate Center of the City University of New York, where he teaches doctoral level courses on quantitative methods including data mining and other courses on the sociology of education and on social stratification. Professor Attewell is the principal investigator of a grant from the National Science Foundation that supports an interdisciplinary initiative on data mining in the social and behavioral sciences and education. In projects funded by the Spencer and Gates and Ford Foundations, Paul Attewell has also studied issues of access and inequality in K-12 schools and in higher education. One of his previous books, Passing the Torch: Does Higher Education for the Disadvantaged Pay Off Across the Generations?, won the Grawemeyer Prize in Education and the American Education Research Association's prize for outstanding book in 2009. David B. Monaghan is a doctoral candidate in Sociology at the Graduate Center of the City University of New York, and has taught courses on quantitative research methods, demography, and education. His research is focused on the relationship between higher education and social stratification.