The dean treated students harshly and punished offenders harshly in the school office while the headmaster never interfered in the dean's discipline system.
Which is why its wings have the insouciant insolence of the school troublemaker, studiously picking his nose while being carpeted by an indignant headmaster.
It is an occasion when the school is on display - there are exhibitions, musical performances, the school play, sporting events, as well as prize-giving and the headmaster's speech.