I get it.
The part where you talk about prison conditions as if you’ve been there.
Then the part about where you blame the parents for the bad decisions of these teachers.
The question remains:
What would an 8 year old have to do for you to find it appropriate to put him in the dungeon?
No, you don't. And your "question" does not remain, because I answered it before you asked it.
Now go read what I wrote to you.