In feudal England, education was only aimed at the children of the upper class, and the content of education was generally classical culture. Later, with the development of social productive forces, almost after the industrial revolution, society needed many workers with basic industrial technology. With the "Sunday school", the school for the working class and their children, the British dual-track system has almost begun to take shape. That is, one is elite education for the bourgeoisie and nobility, and the other is technical vocational education for working people.

This is what I heard in class, which may be insufficient. I'll give you an article and read it yourself. Blogger's handout "The Development of British Education"