Results from some of California's largest districts show that pandemic challenges lingered through 2022.
The end of California's mask mandate for schools Monday meant students and school staff no longer have to wear masks to school, but many still did.
California districts, especially those in conservative areas of the state, are under pressure to allow students to attend school unmasked.
As some districts run out of substitutes to step in for sick and quarantined staff, teachers and students demand more Covid testing and better masks.
