[A worker wearing a protective mask sprays disinfectant inside a classroom of a kindergarten in the suburb of Halandri, northern Athens, Friday, May 29, 2020. Greece will reopen preschools, kindergartens and primary schools on Monday in the latest round of easing coronavirus pandemic restrictions imposed in late March. Classes will have no more than 15 children while the academic year will end on Friday, June 26. (AP Photo/Thanassis Stavrakis)]Associated Press * As schools weigh how best to reopen with the coronavirus at hand, the CDC recommends keeping classes small and isolated. * They recommend staggering pick-up and drop-off times, and encouraging telework for coronavirus-exposed students and teachers. * Education experts stress that there are some aspects of schooling that cannot be mimicked online, especially social interactions. * There are also critical interventions some students receive only when they're physically at school, like free breakfast and lunch, health services, special education, and child abuse protection. * Visit Business Insider's homepage for more stories. Nearly every child in America has skipped some time at school this year. As coronavirus cases surged in hotspots around the US this spring, 55 million kids were sent home, to avoid spreading more infections through their classrooms.SEE THE REST OF THE STORY AT BUSINESS INSIDERNOW WATCH: A group of Hasidic Jews in Brooklyn became experts in online learning before the coronavirus. Now educators are seeking their help. SEE ALSO: * Fauci says the spread of the coronavirus is his 'worst nightmare' come true and 'isn't over yet' * The WHO said asymptomatic transmission is 'very rare,' then said that was a 'misunderstanding.' Here's what you need to know. * 4 main factors determine your risk of getting the coronavirus in any situation. Here's how daily activities stack up.