The Center for Public Integrity’s Ben Wieder performed the analysis of U.S. Department of Education data. This story is featured on the April 2015 episode of “Reveal.”

Susan Ferriss

Susan Ferriss is a reporter with wide experience at home and abroad. She has investigated a range of issues, from military toxic waste and real-estate fraud to police corruption and international drug trafficking. She covered California state government and politics for several years, and was a prize-winning foreign correspondent in Latin America, where her reports included stories on child labor, child migration and transnational gangs.