(Photograph) - Khalid Karwani, 24 - who at 14 played truant, took drugs and mugged people - is now a mentor at Acton high school, west London, on the course which helped reform him. news 14. Photograph by MARK CHILVERS
Want to keep reading for free?
Register with Tes and you can read two free articles every month plus you'll have access to our range of award-winning newsletters.