About the Author: Sean F. Reardon is an American sociologist who currently serves as the Endowed Professor of Poverty and Inequality in Education at the Stanford Graduate School of Education, where he also is a member of the Steering Committee of the Center for Education Policy Analysis. Citations: Reardon, Sean F. “The Widening Income Achievement Gap.” Educational Leadership , vol. 70, no. 8, May 2013, pp. 10–16. EBSCOhost , search.ebscohost.com/login.aspx?direct=true&db=eric&AN=EJ1029019&site=ehost-live. Summary of the Article: Sean F. Reardon conducted a comprehensive analysis of research to answer these questions and came up with some striking findings. In this article, he shows that income-related achievement gaps have grown significantly over the last three decades, even as black-white achievement gaps have closed. These gaps are already large when children enter kindergarten; in fact, they do not grow substantially during the school years. Gaps bet...