The University of San Diego (USD) is a private Catholic research university in San Diego, California, United States. Chartered in 1949 as the independent San Diego College for Women and San Diego University (comprising the College for Men and School of Law), the two institutions merged in 1972. The university includes the College of Arts and Sciences, Hahn School of Nursing and Health Science, Joan B. Kroc School of Peace Studies, Division of Professional and Continuing Education, Knauss School of Business, School of Law, School of Leadership and Education Services (SOLES), and the Shiley-Marcos School of Engineering. USD has 89 undergraduate and graduate programs, and enrolls approximately 9,073 undergraduate, paralegal, graduate and law students.