N.Y.C. requires shots for all education staff, including teachers and principals.

https://www.nytimes.com/2021/08/23/nyregion/nyc-schools-employee-vaccine-mandate.html?campaign_id=60&emc=edit_na_20210823&instance_id=0&nl=breaking-news&ref=cta&regi_id=48364879&segment_id=66997&user_id=37637883a77672c04cf279ac5fedeaec