Diana Farrell, who is now a member of America's National Economic Council but until recently worked for McKinsey, a consultancy that has spent a lot of time studying the middle classes, reckons they begin at roughly the point where people have a third of their income left for discretionary spending after providing for basic food and shelter.

ECONOMIST: Burgeoning bourgeoisie | The

The minute I dropped out I could stop taking the required classes that didn't interest me, and begin dropping in on the ones that looked interesting.

WSJ: Steve Jobs: 'Find What You Love'

And classes will begin next fall in space loaned by Google to the city while the campus is under construction.

FORBES: Showing The Love To NYC Startups

Turner is also executive director for student health at the University of Virginia, where classes are slated to begin Tuesday.

CNN: Swine flu goes to college