At 600 days, this is one of the world's longest school closures

Dharini Mathur's son had just turned 4 when he started pre-school online. More than 600 days later, he still sits behind his computer screen, attempting to learn virtually -- while making zero contact with his classmates and teachers.

source https://www.cnn.com/2022/01/27/india/india-delhi-schools-reopen-600-days-intl-hnk/index.html