I am not convinced a classroom is necessary and may even be detrimental.
“Oxford University Press” has been facilitating distant learning for all age students using a “Kindle.” The lessons/books can be downloaded as well as tests. The teacher can be viewed on television through a pre-recorded class much the same as some university learning already takes place. Then for students that need one on one learning a cyber connection could be utilized.
If the circumstances the USA finds itself are going to be a problem much longer, it is an option since a child vaccine isn’t even on the horizon yet.
Unions will have objections. There are reasonable answers to objections as one teacher can provide help to a classroom of children and not an entire school. Capitalism can be really stupid. But, the students need to be safe in a country out of control. Of course, locking down the USA to end this hideous paradyme is actually a real solution.
“Kindle,” by Amazon. One variety is even waterproofed. “Oxford University Press” has the model for sale.