I’m sure this comment will be buried but I’ll talk about my experiences. Our school has a mask policy and transmission in the classroom has been almost nonexistent.
The district north of us has no mask policy and it’s been a shit show. My friend is a teacher there and they don’t bother with close contacts or tracing. Basically everyone got covid and they had to shut the schools down because so many teachers were sick.
This has been while the hospitals have been full of covid cases this fall and winter. Kids might not get real sick, but it infects a bunch of family, who can end up in the hospitals.
The time to roll back the mask mandates is either at the end of this school year or when we have widespread availability of the Pfizer drug paxlivod and folks can get ahold of it and take it when they have covid.