Order of Saint Augustine
In 1922, John Cantwell, Bishop of the Diocese of Los Angeles and San Diego, asked the Order of Saint Augustine to satisfy the need of a new boys' school in the southern part of the diocese. (The Order also operate Villanova University in Pennsylvania, and Merrimack College in Massachusetts, and in the early decades many of the school's religious staff were trained at these colleges.) The Order of Saint Augustine opened St. Augustine High School in the St. Vincent's parish meeting hall on September 18, 1922 with 19 students. The school moved to its current Nutmeg Street location in the year 1923.