Enrollment in Educational Institutions, 1869–2005
Percent of Population Enrolled in School, 2006
Percent of Population Enrolled in School, 2000
Public and Private Elementary and Secondary Pupil-Teacher Ratios, 1955–2005
Highest Level of Educational Attainment of U.S. Population, 2005
Educational Attainment by Sex, 1910–2007
Percent of Population Enrolled in School, 2004
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