University of Saint Mary is a private university institution in Leavenworth, established in 1923. University of Saint Mary is a private Catholic liberal arts university in Leavenworth, Kansas, founded in 1923 and sponsored by the Sisters of Charity of Leavenworth. With approximately 1,460 students, it offers over 30 undergraduate majors, master's degrees, and doctoral programs with particular strength in health care education. The university operates multiple campuses and online programs.