This will just take a second.
Continue to https://www.cdc.gov/coronavirus/2019-ncov/community/schools-childcare/schools.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fcoronavirus%2F2019-ncov%2Fcommunity%2Fschools-childcare%2Fguidance-for-schools.html