Door een administratieve fout wordt een meisjesschool tijdens de oorlog gehuisvest op een jongensinternaat. De lijzige Wetherby Pond ruziet doorlopend met de gehaaide oude vrijster Muriel Whitchurch en de zenuwachtig kirrende Miss Gossage, en samen hebben ze heel wat te stellen met de ontluikende pubers.
Nee, helaas is The Happiest Days of Your Life nog niet beschikbaar op Netflix in Nederland.
| 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 |