It is a shame that this decision has been made because my son is going to virtual school and there is a lot of interactive website that the teacher uses for learning. It is a bad decision in these difficult times. Do you have any options?
There is no replacement for Flash Player because the browsers don't want you using it for security reasons. If the learning sites are indeed flash-based, you will no longer be able to access them.
The Flash Player end of life was announced 3+ years ago.
And flash content creators had more than ample time to prepare alternative content that DOES NOT require Flash Player. Hopefully they have already done it. Or ask your son's school / teacher about alternative content.
Thanks for your feedback.
Here's the original announcement about Flash Player EOL from 2017:
Here's the consumer FAQ: