This surprised me. Apparently about 1 in 5, or 20 percent, of Americans who earned PhDs in 2008 also attended a community college at some point in their education. Chart, which also breaks down the numbers by ethnicity, at at the Chronicle of Higher Education.

Daniel Luzer

Daniel Luzer is the news editor at Governing Magazine and former web editor of the Washington Monthly. Find him on Twitter: @Daniel_Luzer