This essay is the companion piece to about 550 individual data series on education to be included in the updated Historical Statistics of the United States, Millennial Edition (Cambridge University Press 2000, forthcoming). The essay reviews the broad outlines of U.S. educational history from...

A new state-level series on secondary-school data demonstrates that graduation and enrollment rates increased greatly in the 1920s and 1930s in most regions. An 18-year old male in 1910 had just a 10% chance of having a high school diploma but by the mid-1930s the median 18-year old male was a...