Nutbourne College, an old established, all-boys, boarding school is told that another school is to be billeted with due to wartime restrictions. The shock is that it's an all-girls school that has been sent. The two head teachers are soon battling for the upper hand with each other and the Ministry. But a crisis (or two) forces them to work together.
Is The Happiest Days of Your Life on Netflix? Yes! The movie The Happiest Days of Your Life is now on Netflix in the countries listed below.
| Directing | Frank Launder | Director |
| Writing | John Dighton | Theatre Play |
| Editing | Oswald Hafenrichter | Editor |
| Production | Frank Launder | Producer |
| Writing | Frank Launder | Screenplay |
| Production | Sidney Gilliat | Producer |
| Writing | John Dighton | Screenplay |
| Sound | Mischa Spoliansky | Original Music Composer |
| Camera | Stanley Pavey | Director of Photography |
| Costume & Make-Up | Betty Sherriff | Hairstylist |
| Sound | Leonard Bulkley | Sound Recordist |
| Directing | Angela Allen | Continuity |
| Directing | Carole Acason | Continuity |
| Costume & Make-Up | Dorrie Hamilton | Makeup Artist |
| Production | E.M. Smedley-Aston | Associate Producer |
| Directing | Cecil F. Ford | Assistant Director |
| Production | Cecil R. Foster Kemp | Production Manager |
| Art | Ronald Searle | Title Designer |
| Art | Joseph Bato | Art Direction |
| Camera | Monty Berman | Camera Operator |
| Sound | Hubert Clifford | Conductor |
| Costume & Make-Up | Joan Ellacott | Costume Design |
| Camera | Desmond Davis | Clapper Loader |
| Costume & Make-Up | Bert Rooke | Wardrobe Master |
| Directing | George More O'Ferrall | Second Unit Director |
| Costume & Make-Up | Tom Smith | Assistant Makeup Artist |
| Directing | Clifford Price | Third Assistant Director |
| Camera | G.B. Scarlett | Grip |
| Crew | Peter Wood | Scenic Artist |
| Art | William Hutchinson | Assistant Art Director |
| Camera | Anthony Hopking | Still Photographer |
| Sound | George Burgess | Sound Supervisor |
| Editing | Teddy Mason | Assistant Editor |
| Sound | Fred Tomlin | Boom Operator |
| Camera | Gerry Turpin | Focus Puller |
| Camera | Terry Turtle | Camera Department Manager |
| Camera | Egil S. Woxholt | Clapper Loader |
| Sound | S.R. Fowster | Sound |
| Production | Enid Jones | Publicist |