Teachers won millions of pounds in compensation last year after accidents, injuries, assaults and discrimination at school, according to new figures.
Chris Keates from the teaching union NASUWT said a "zero tolerance approach is needed for violence and disruption in the classroom".
More top news
Regional troops have secured the presidential palace in the Gambia's capital but there are fears the former leader has raided state coffers.
The police officer was shot in the arm at a petrol station on the Crumlin Road, but is in a stable condition.
Temperatures tumbling again tonight with a widespread sharp frost and lows of -5C or -6C and icy spots in places