BTW, NYC DOE is reporting about 30% of teachers are out sick. Similarly, about that many students are out sick.

NYC schools restart classes after winter break facing omicron surge and staff shortages

“We are concerned today about staffing,” said UFT President Michael Mulgrew said at P.S. 347 in Manhattan, where 30% of teachers were absent.https://t.co/eZtklcMxpa

— New York Daily News (@NYDailyNews) January 4, 2022

That’s a far higher number than normal. What’s the breaking point? Might come down to individual schools or districts. So far, Mayor Adams has no plan to address possible going remote for a period of time here.