Nurse Holly Tavano helps her daughter, Linnea, 10, with a COVID-19 test earlier this month at Harwich Elementary School in Massachusetts. Across the country, school districts and families are stumbling toward the finish line of a punishing semester, including increased violence and the spread of the omicron variant. MERRILY CASSIDY/CAPE COD TIMES/USA TODAY NETWORK
The St. Louis Park Public Schools in suburban Minneapolis held in-person learning all semester, with no school closures for COVID-19 infections despite the spread of…
