Schools grapple with thousands in isolation or quarantine as delta variant rages

In the U.S., schools that have opened their doors to students amid the spread of the highly contagious delta variant of the coronavirus already are grappling with how to best continue teaching students when hundreds and sometimes thousands of them are in quarantine. Some schools have sent students home with packets of self-guided work to submit at the end of each day or when on-campus classes resume. Others have temporarily switched to virtual learning. And in some cases, schools have canceled classes altogether while campuses are closed or kids are in quarantine.