See earlier blog on Sweden, https://andrewbostom.org/2022/06/hard-data-from-sweden-open-primary-schools-throughout-covid-19-pandemic-resulted-in-preserved-reading-comprehension-scores-with-no-covid-19-morbidity-mortality-penalty-in-school-ch/ , which includes these data: “No learning loss in Sweden during the pandemic: Evidence from primary school reading assessments”
Compare to unnecessarily closed schools policies across the U.S.: “New national test results show that the pandemic spared no part of the country as it caused historic learning setbacks for America’s children”
