FILE – In this July 14, 2020, file photo, amid concerns of the spread of COVID-19, Aiden Trabucco, right, wears a mask as he raises his hand to answer a question behind Anthony Gonzales during a summer STEM camp at Wylie High School in Wylie, Texas. School districts that plan to reopen classrooms in the fall are wrestling with whether to require teachers and students to wear face masks — an issue that has divided urban and rural schools and yielded widely varying guidance. (AP Photo/LM Otero, File)