Should schools ban slang from the classroom?

Should schools ban slang from the classroom? Subscribe to the Guardian HERE: http://bitly.com/UvkFpD A south London school's decision to ban certain slang words was widely derided but it also attracted some high-profile support. Do children know instinctively what type of language to use in different social settings, or does this knowledge need to be instilled with strict bans? Lindsay Johns, a writer who mentors young people in London, debates the issue with writer and professor of children's literature Michael Rosen Click for more thought provoking content from The Guardian: http://www.theguardian.com/commentisfree/video/2013/dec/09/should-schools-ban-slang-video-debate