'The kids playing up have behavioural issues or intellectual disabilities and they can’t keep up with the class work, so they are disengaged, making it hard for the teachers and behaviourally normal students trying to learn,’ she said.

Source: https://www.dailymail.co.uk/news/article-11892985/Maitland-Grossmann-High-School-Disturbing-events-school-Michael-Kable-brawled-kid.html?ns_mchannel=rss&ns_campaign=1490&ito=1490