Indeed, for all classes there is a modern tendency to prolong the school period unduly, to keep boys under the discipline and following the methods of the secondary school until nineteen years of age, so that they finish a University course, which is also becoming more prolonged, after twenty-three, and then at last take up their vocational training.
— from Rebuilding Britain: A Survey of Problems of Reconstruction After the World War by Hopkinson, Alfred, Sir