He plans to give teachers more freedom to search pupils suspected of carrying banned items and to let them use reasonable force in removing the most disruptive children from the classroom. (labour-uncut.co.uk)
These include: discipline and behaviour; abusive, threatening or violent adult visitors; dealing with offensive weapons and knives, and use of reasonable force. (educationbusinessuk.net)
The difficulty comes in determining what reasonable force constitutes as the circumstances will determine how much force is necessary. (smallbusinessesdoitbetter.com)