FRONTLINE investigates allegations of fraud and predatory behavior in the troubled for-profit college industry and explores the implosion of Corinthian Colleges. Also in this two-part hour: "The Education of Omarina" continues a story FRONTLINE has been following since 2012 — showing how an innovative program to stem the high school dropout crisis has affected one girl's journey, from a public middle school in the Bronx to an elite New England private school, and now on to college.

FRONTLINE investigates the successes, failures and challenges in the U.S.-led effort to degrade and destroy ISIS.