So, children are basically immune to covid due to ace2 receptors. it's extremely rare and 99.99999% recovery rate for anyone in school if they even got it. Asymptomatic spread has been proven to be a lie after over 10 million people study in China and other studies in Europe. The only reason they could possibly want to close schools is so that parents are complete occupied at home during lockdown and dont get too much to think or start noticing things if they were left to their own devices.