His professional biography at the N.Y.U. faculty profiles begins, "Arum's work explores the extent to which school characteristics, such as educational spending and racial segregation, contribute to inadequate youth socialization, crime, and subsequent imprisonment."
He is also Program Director of Educational Research at the Social Science Research Council, where he has directed the CLA Longitudinal Project  and successfully led efforts to organize educational stakeholders in New York City to create the Research Alliance for New York City Schools  (an entity loosely modeled after the Consortium on Chicago School Research) that focuses on ongoing evaluation and assessment research to support public school improvement efforts.
Judging School Discipline: The Crisis of Moral Authority in American Schools with Irenee Beattie, Richard Pitt, Jennifer Thompson, Sandra Way (Cambridge, Massachusetts: Harvard University Press) (2003)
The Resurgence of Self-Employment: A Comparative Study of Self-Employment Dynamics and Social Inequality editor with Walter Mueller (Princeton, NJ: Princeton University Press) (2004)