Jarablus, Syria (CNN) The cigarette dangling from Khalil's lips gives him the air of teenage rebellion generally reserved for boys his age. The instructor at the front of the class is tearing into ISIS' ideology. The Syrian Center for Anti-Extremist Ideology opened just a few weeks ago. "The most dangerous thing is the ISIS ideology," says the center's director, Hussein Nasser. ISIS' ideology has been removed from the walls of this school.

Source: CNN November 23, 2017 09:33 UTC