San Diego State University offers nearly 160 undergraduate majors and minors, among those are nationally ranked business; engineering; and international business programs. SDSU also offers 16 pre-professional programs; nearly 100 graduate degrees; and credentials and lifelong learning classes, seminars, and certificate programs through the College of Extended Studies. The academic excellence of SDSU lays a foundation for graduate programs such as business; engineering; public health; education, and speech, language, and hearing sciences to gain national top-rankings.