94% of countries implemented some form of remote learning during the pandemic. And this is not the first time that educators have made use of remote learning.

News stories reporting on radio school were mostly positive, but articles also pointed out the challenges. Some children didn't have access to radios. Other kids were distracted or struggled to follow the lessons. They could not ask questions in the moment, and kids needed more parental i...

The radio school experiment during the polio outbreak was highly innovative and untested. Some 315,000 children in grades 3 through 8 received lessons on the radio while at home.