Jack's research documents the overlooked diversity among lower-income undergraduates: the Doubly Disadvantaged­—those who enter college from local, typically distressed public high schools—and Privileged Poor­—those who do so from boarding, day, and preparatory high schools. His scholarship appears in the Common Reader, Du Bois Review, Sociological Forum, and Sociology of Education and has earned awards from the American Sociological Association, American Educational Studies Association, Association for the Study of Higher Education, Eastern Sociological Society, and the Society for the Study of Social Problems. HIs current project focuses on the world of work among undergraduates.