The Wealth of Nations by Part 5 Chapter 1 Page 215

In England the public schools are much less corrupted than the universities. In the schools the youth are taught, or at least may be taught, Greek and Latin; that is, everything which the masters pretend to teach, or which, it is expected, they should teach. In the universities the youth neither are taught, nor always can find any proper means of being taught, the sciences which it is the business of those incorporated bodies to teach. The reward of the schoolmaster in most cases depends principally, in some cases almost entirely, upon the fees or honoraries of his scholars. Schools have no exclusive privileges. In order to obtain the honours of graduation, it is not necessary that a person should bring a certificate of his having studied a certain number of years at a public school.

If upon examination he appears to