They may teach very well and more than earn their salaries, but most of them make little or no independent reflections on human problems which involve moral judgment.
No one working with these students claims to know how to keep all students in school. Counselors, teachers, and administrators are in the front lines of what seems at times to be a losing battle.
This is where teachers of English might helpfully note the difference between denotation (dictionary meaning) and connotation (associations that may not be part of a formal definition).
The first film deals with the two families: the impoverished Kims, who plan to infiltrate the wealthy Parks by each posing as a tutor, a driver, and a housekeeper.
And I thought to myself that as a teacher, I knew that a student could dramatically improve in a very quick amount of time, but I never thought that a student could dramatically regress.