This film was made thirteen years before I was born but I still think it is the wittiest, dottiest, most harmless piece of fun ever made. It simply could not go wrong with the cast of superb British character actors it boasts.
Where to start? Alastair Sim-peerless; Margaret Rutherford-ditto;the wonderfully alkward, innocent Gossage, played to perfection by the imperious Joyce Grenfell. The caddish Victor Hyde-Brown (a Guy Middleton special) and the rest of the staff sum up post-war middle-class England to a tee.
The humour is sometimes obvious, but it is of that special "Ealing" variety and is never offensive.
I have watched this film more times than I care to remember and still laugh like a drain at the antics every time. The storming of the dorms occupied by the girls school, the magnificently-planned but ultimately doomed twin tours of the school and the chaotic ending involving the arrival of a third school to add to the anarchy, are priceless.
It's an old cliché I know, but they really do not make them like that anymore. How I wish they did. If you haven't seen it, please do, you won't be disappointed.