I skimmed through a few videos and my impression is that it was incredibly well-behaved for a USA highschool (though I believe Eddie Woo teaches in Australia).

I skimmed through a few videos and my impression is that it was incredibly well-behaved for a USA highschool (though I believe Eddie Woo teaches in Australia). My classroom in the USA was regularly far worse than these videos, which felt (at least to me) pretty normal amongst highschoolers.