Educators in many parts of the country are now eligible for the coronavirus vaccine, which should mean one thing: No more excuses. It’s time to return to school in person, full time, as quickly as possible.

There was already little evidence supporting teachers’ hesitance to head back to the classroom. If anything, the science supported the opposite: The academic setbacks and social problems incurred as a result of remote learning far outweighed the risk of transmission among children. Yet, for months, teachers unions have lobbied against cities’ efforts to reopen, arguing that in-person learning is not safe for the teachers they represent.