Four years ago this month, schools nationwide began to shut down, igniting one of the most polarizing and partisan debates of the pandemic.

Some schools, often in Republican-led states and rural areas, reopened by fall 2020. Others, typically in large cities and states led by Democrats, would not fully reopen for another year.

A variety of data — about children’s academic outcomes and about the spread of Covid-19 — has accumulated in the time since. Today, there is broad acknowledgment among many public health and education experts that extended school closures did not significantly stop the spread of Covid, while the academic harms for children have been large and long-lasting.

New York Times

Oregon and California, among the most cautious of states early in the pandemic, have surprised health officials elsewhere by breaking with Centers for Disease Control and Prevention guidelines and telling infected workers and schoolchildren that as long as they have no symptoms, they are generally free to go about their lives.