|The structure of education in the United States
|NOTE: Figure is not intended to show relative number of institutions nor relative size of enrollment for the different levels of education. Figure reflects typical patterns of progression rather than all possible variations. Adult education programs, while not separately delineated above, may provide instruction at the adult basic, adult secondary, or postsecondary education levels.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Annual Reports Program.