Below is a list of all counties in Florida subdivided by the following school reopening criteria. This is updated automatically each night at around 9pm ET.
(Based on a rolling 7 day new case average:)
1 case or less fully open
1 - 10 cases phased reopening (more in infographic below)
10-25 cases phased reopening (more in infographic below)
25 or more cases schools closed -- fully remote learning
Read the full write up from Harvard Global Health Institute here