I don't know about boxes but I remember in 9th grade the public school dividing us up into their new system of bright, average and slow students. I was in the "bright" class. Soon as the teacher walked out of the room, it was bedlam and mayhem with kids yelling and throwing stuff, and I remember thinking that if this was the bright class, I'd hate to see the slow class. I felt sorry for the teacher who had to put up with it all.
To be a good teacher, you have to be curious and to love learning. If you don't love learning, how can you love teaching? And how can you learn without being curious? This brings us to the difference between a person who got into a career because they love the work and someone who got into it merely because it paid the bills.
You probably don't know this, I've mentioned it here 1-2 times I think, but I authored a textbook on applied psychology long ago. What you describe above is utter nonsense. All it is, is an attempt to deflect responsibility upon the teacher. My guess is that these school districts are being mindful of not expelling students in order to meet some state funding quota or something. Discipline begins with focusing one's efforts on the miscreant while protecting your teachers. Send these kids home, let them get discipline at home. Expel them. These kid's behavior is not about to change so long as you are not even holding them accountable as the ones needing change!