Can we all just STOP worrying about students 'falling behind'? Who exactly are they going to fall behind?
Yes - they will all be at different places than they would have been had there not been a global pandemic.
There is, however, a global pandemic 1/

Therefore, we should not, cannot, and must not expect things to 'carry on as normal'. No one will go back into a classroom unchanged. Many will have lost family members and friends. All will have been impacted - because GLOBAL PANDEMIC. 2/

Therefore - open schools ONLY when it is safe for everyone - the teachers, the pupils, the families. Relax about 'falling behind'. Think instead about 'picking up in vastly different circumstances'. Because they will be...