At the postsecondary level, the institution with the largest enrollment in fall 2014 was the University of Phoenix. That school, like many others that have the most college students enrolled, functions mostly as an online college, so student numbers are not limited by physical space restrictions.
Below are the 50 higher-education institutions in the United States that had the most students enrolled in fall 2014, according to the National Center for Education Statistics' Integrated Postsecondary Education Data System.
