The vast majority of private schools follow lock step what public schools do.
There will not be enough truly private schools to meet the demand.
According to this it has been.
I don't know what any of this means.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7045880/
Interesting soap opera in NY.
https://twitter.com/maggieNYT/status/1423788453674819588