When I was in school I didn’t know of a single teacher who wouldn’t have put six year old me into a wall...
No kidding and my parents would have been good with it.
If a teacher had previously slapped the snot our of him the first he got physical he would not have escalated.
There were no consequences for his previous bad behavior and now he is in big trouble. He had no fear of ever being hit back.
Memories of Catholic school in the 1960’s and seeing an elderly nun break the nose of an incorrigible ruffian 7th grader who actually struck her in the hallway. Never another problem from him after that. Of course, today she would be arrested and the school sued for millions.
A different, and better world back then, IMHO.
Unless six year old you had a 9 mm trained on the teacher.
But there were obviously dozens of instances to deal with this budding criminal before he shot the teacher.