Omicron upended school this week. Here's what you need to know about the latest disruptions.

But school officials are running into a simple but profound constraint: not enough staff due to the surging COVID cases. Even in Denver, 16 schools have temporarily shifted to virtual instruction because too many staff were sick or quarantined.

source https://www.chalkbeat.org/2022/1/5/22869138/schools-covid-omicron-shortages-chicago