Vaccination is in its First phase in India. The front line is to be vaccinated yet. In this situation opening of institutes may be dangerous for the life of children.
Education is an essential human right. To enable ongoing schools activity, it is vital to mitigate SARS-CoV-2 transmission in schools and in the community. These basic recommendations are from the ECDC website.
* cohorts of classes and groups
ensuring physical distance in the classroom (e.g. separating tables)
reducing class sizes
staggering arrival times as well as meal and break times
holding classes outdoors.
PLEASE SEE https://www.ecdc.europa.eu/en/covid-19/questions-answers/questions-answers-school-transmission
Not a journal article, but nevertheless a good summary of the current state of affairs and the current knowledge of the risk factors: https://www.newyorker.com/magazine/2021/03/01/why-does-the-pandemic-seem-to-be-hitting-some-countries-harder-than-others