I teach 3rd - 5th grade at a selective private school. The students are extraordinarily well behaved compared to the public school classrooms I've been in; the

I teach 3rd - 5th grade at a selective private school. The students are extraordinarily well behaved compared to the public school classrooms I've been in; the difference is night and day. But classroom management / "discipline" is still a thing. Getting a group of 18 nine-year-olds to quiet down at the right time takes a certain degree of skill, and that will always be a part of teaching, at least for this age group.