The Headmaster

The Headmaster is a 1921 British silent comedy-drama film directed by Kenelm Foss and starring Cyril Maude, Margot Drake and Miles Malleson. It is based on the 1913 play The Headmaster by Edward Knoblock and Wilfred Coleby. The film can be summarized as a clergyman working as the headmaster of a school tries to persuade his daughter to marry the idiotic son of an influential figure in the hope of being promoted to bishop.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.