In this Aug. 3, 2020, file photo, Paul Adamus, 7, waits at the bus stop for the first day of school in Dallas, Ga. Amid mounting tensions about school reopening, the Centers for Disease Control and Prevention planned to release long-awaited guidance Friday, Feb. 12, 2021, on what measures are needed to get children back into the classroom during the pandemic. (AP Photo/Brynn Anderson, File)

Amid mounting tensions about reopening schools, the Centers for Disease Control and Prevention planned to release long-awaited guidance Friday on what measures are needed to get children back into the classroom during the pandemic.

President