Over the years, the school went through a series of varying focuses and name changes: St. Leo's College initially, then St. Leo Military College (1890–1903), St. Leo College (1903–17), St. Leo College Preparatory School (1917–18), Saint Leo College (1918–20), St. Leo College High School (1920–23), St. Leo Academy (1923–27), Benedictine High School (1927–29), Saint Leo College Preparatory School (1929–64), Saint Leo College (1959–99), and finally Saint Leo University (1999–present). During that time, it served as a military college within three different periods.