Goldin, Claudia; Katz, Lawrence F. - 2021
percent of U.S. youths had high school diplomas in 1910, but more than 50 percent did by 1940. By the mid-1950s the United …-series variation within the United States. The areas of the United States that led in secondary school education (the Far West, Great … income or wealth, also fostered the extension of education to the secondary school level …