School Enrollment in the United States: 2006
From the press release:
A national-level update of characteristics of the nation's more than 75 million students. Eight tables include number of students by attributes such as age, sex, race, Hispanic origin, family income, type of college and vocational course enrollment. This Internet-only release comes from data collected each October as part of the Current Population Survey. The full report with analysis of the details is expected later this summer.