Well, update, we are going to hold off on the home bound courses, but he will be taking 3 classes (the earliest ones, and p.e.) online, so that he now will have about a 1/2 day at school, and about an extra 4 hrs in the morning, if all gets set up as expected. Hoping to get caught back up and stay caught up by the end of another week or so. Fall back to home bound if he can't keep up with getting to these classes consistently.
(I mention these things in case anyone else is wondering what options might be available for a student with similar issues. I really had no idea, myself!)

Out of the blue, it turns out he has a friend he enjoys seeing in one of his classes shocked so he wants to be in that class at the school, at least. A female friend, and he actually knows this person's name (first name, anyway).