In this photo provided by Julie Mackett, the kindergarten teacher conducts her class at Ft. Meigs Elementary School, in Perrysburg, Ohio. Contact tracing and isolation protocols meant to contain the spread of the coronavirus are sidelining school employees and frustrating efforts to continue in-person learning. “I think everybody understands when you can’t have enough subs to fill the roles, it’s also a safety issue: You can’t have that many children without support from adults,” said Mackett, who went through her own two-week quarantine early in the school year after a student tested positive. (Courtesy of Julie Mackett via AP)

In this November 2020 photo, provided by Eugene "Geno" Thomas, Thomas, superintendent of the Lowellville, Ohio, School District, poses in his office. Contact tracing and isolation protocols meant to contain the spread of the coronavirus are sidelining school employees and frustrating efforts to continue in-person learning. “It boils down to the staff,” Thomas said. “If you can’t staff a school, you have to bring it to remote.” (Courtesy of Eugene Thomas via AP)

In this November 2020 photo, provided by Eugene "Geno" Thomas, Thomas, superintendent of the Lowellville, Ohio, School District, works in his office. Contact tracing and isolation protocols meant to contain the spread of the coronavirus are sidelining school employees and frustrating efforts to continue in-person learning. “It boils down to the staff,” Thomas said. “If you can’t staff a school, you have to bring it to remote.” (Courtesy of Eugene Thomas via AP)

In this photo provided by Julie Mackett, the kindergarten teacher conducts her class at Ft. Meigs Elementary School, in Perrysburg, Ohio. Contact tracing and isolation protocols meant to contain the spread of the coronavirus are sidelining school employees and frustrating efforts to continue in-person learning. “I think everybody understands when you can’t have enough subs to fill the roles, it’s also a safety issue: You can’t have that many children without support from adults,” said Mackett, who went through her own two-week quarantine early in the school year after a student tested positive. (Courtesy of Julie Mackett via AP)