Here is the best summary that I have found thus far on the policy dilemmas facing school boards and superintendents in deciding how and when to re-open schools. It comes from a blog called Electoral Vote. Curated and written by two academics, one (Andrew Tanenbaum) an expert on statistics and public opinion polls and the other (Christopher Bates) a historian.

Every educational policy has one or more prized values embedded in it and when it comes to Covid-19, these values clash. Choices have to be made among sought-after values (health and safety of students; health and safety of faculty; giving parents choices of school options, limited resources to do efficiently what is essential, quality of educational experience, etc.). Sacrifices occur as policymakers with limited funds and knowledge of the virus’s spread and effects strike compromises (e.g., when to open, under what conditions) in deciding which values take precedence…