By Voice of the Mirror Disruption and violence in ourschools is a danger to teachers as well as pupils. Our chilling special report today reveals soaring suspensions and frightening behaviour in classrooms. Primary children as young as seven are throwing furniture, ripping posters from walls and storming out. The majority of schools are well-run but threatening behaviour is intolerable wherever it is found. Troubled kids using teachers as punchbags is completely unacceptable. When successive Tory education ministers have talked grandly of improving standards and instilling discipline, they are…