Extreme online content and personalities are triggering racist, misogynistic and hateful behaviours among pupils, according to a major poll of teachers. The survey of more than 10,500 National Education Union (NEU) members also found staff linked social media use to loss of concentration (71%), mental health impacts (67%) and sleep deprivation (66%) among students. The findings come as Keir Starmer this weekend declared war on addictive algorithms and promised parents he would take urgent