By Saskia Rowlands Schools are battling a surge in racism as 50 pupils a day are sent home in disgrace, up 24% in a year. Experts fear children developed racist views, often fuelled by vile internet content, while isolated at home during the Covid lockdowns – which were not challenged until they returned to school. Teachers mostly deal with racist language but also tackle physical attacks and race-hate vandalism. And kids increasingly make racist social media posts. Last year, there were 9,452 suspensions for racist behaviour – up from 7,403 the previous 12 months and 4,889 in the last school …