Veronica Esquivel, 10, finishes her homework after virtual school, while her brother Isias Esquivel sits in front of his computer in their Chicago home in February. Their mother worried that sending them back to in-person learning would put her and her husband at risk for getting COVID-19.
New York City Mayor Bill de Blasio, center, checks the movement of a window inside a classroom at Bronx Collaborative High School, during a visit to review health safeguards in advance of schools reopening earlier this school year.
Second grader Ernesto Beltran Pastrana puts on his face mask while attending class during the first day of partial in-person instruction at Garfield Elementary School in Oakland, Calif., in March.
A school bus waits at an intersection near the site of a rally in February to encourage wider opening of in-person learning in the Issaquah School District in Issaquah, Wash. Transportation costs for students with special needs this year dipped because of remote learning.