Apparently, their state law requires class sizes of 15 students on average. They’ve never met that goal.
As a kid who grew up in the 60s and 70s, I don’t recall ever being in a class under 20. I’d guess my average class had 30+.
I tried student teaching in Utah in 1980...I had one class of 22, and the others were 30+ - one was 37 (with 35 seats!).
It isn’t numbers. It is discipline. Allow physical punishment, and allow repeat offenders to be expelled for months at a time, and you won’t need a class size of 15 to teach!
How about using real men for teachers? Most trouble is from rambunctious boys who need a little direction in life and higher expectations. The average teacher is a female liberal. They get to class with an anti-male attitude before the boy even has a chance to fulfill it.