NSU offers 69 undergraduate degrees, 18 graduate degrees and 13 pre-professional programs in five colleges (Business & Technology, Liberal Arts, Education, Optometry, and Health & Science Professions). The student-to-faculty ratio is 26 to 1, and in the Spring of 2008 the total enrollment for the Tahlequah Campus was 6,216.[12] There is also a distance-learning program, by which students who cannot attend the university due to work or family obligations can complete courses via the Internet or videoconferencing.