To Serve Them All My Days (1980)

To Serve Them All My Days is a 1980-81 British television drama serial, adapted by Andrew Davies from R. F. Delderfield's 1972 novel of the same name. David Powlett-Jones, a shell-shocked World War I veteran, becomes a teacher at an elite English boarding school, Bamfylde. The drama explores his personal growth, relationships, and evolving views on society over his 20-year career at the school.