http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2006/02/05/nheroin05.xmlNina Goswami and Gemma Brosnan"Government figures, based on a nationwide survey, show that the problem is much more widespread than originally thought. One leading academic on child drug abuse said last night that the number of schoolchildren using heroin could be as high as 60,000."
Smoking, Drinking and Drug Use Among Young People in England in 2004PDF - http://www.dh.gov.uk/assetRoot/04/12/34/32/04123432.pdf