Agreed that schools can and should play a major role in curbing outbreaks. The school my eldest children attended as youngsters had a good policy: inspection every week and infected children were not allowed to return to class until clear.
Unfortunately the political climate has changed so significantly that nowadays a policy like that is regarded as "racist" because it is generally children of a given demographic i.e. culture i.e. race that are infected and whose parents couldn't be bothered to disinfect them. And maybe the frizzy hair made it harder to do? I can't say. But we fought a running battle having to do a major disinfection on our youngest almost every second week.