Schools is about keeping kids and adolescents out of trouble, and free up parents to work. Ideally they also help with development and socialization, and as a b

Schools is about keeping kids and adolescents out of trouble, and free up parents to work. Ideally they also help with development and socialization, and as a bonus - might teach something. This is very different from colleges - that generally actually focus on teaching stuff (which means students do all the important work themselves). All the important roles of primary school are hard to accommodate via remote setup.