EducationIndustry Lists Alabama Public Universities 2021 A ranking of Alabama's public universities, based on student enrollment. By Erica Joiner West - November 11, 2021 Students on the quad of the University of Alabama, the state’s largest public university as ranked by Fall 2020 student enrollment. Alabama’s public universities ranked by fall 2020 student enrollment. The source for this listing is the Alabama Commission on Higher Education. Click here to view the complete listing. The latest Alabama business news delivered to your inbox Sign Up Now!