Never has there been so little diversity within America's upper crust. Always, in America as elsewhere, some people have been wealthier and more powerful than others. But until our own time America's upper crust was a mixture of people who had gained prominence in a variety of ways, who drew their money and status from different sources and were not predictably of one mind on any given matter. The Boston Brahmins, the New York financiers, the land barons of California, Texas, and Florida, the industrialists of Pittsburgh, the Southern aristocracy, and the hardscrabble politicians who made it big in Chicago or Memphis had little contact with one another. Few had much contact with government, and "bureaucrat" was a dirty word for all. So was "social engineering." Nor had the schools and universities that formed yesterday's upper crust imposed a single orthodoxy about the origins of man, about American history, and about how America should be governed. All that has changed.And the rest of us are the products of public schooling and everything but Ivy-League higher education.
Today's ruling class, from Boston to San Diego, was formed by an educational system that exposed them to the same ideas and gave them remarkably uniform guidance, as well as tastes and habits.
American Spectator - Angelo M. Codevilla, America's Ruling Class -- And the Perils of Revolution
As though that was the entire purpose of the educational system.
RTWT. It's worth your time.