Where was bells of St Mary's filmed?

"Bells of St. Mary's" was primarily filmed at the Columbia Pictures studio in Hollywood, California. The film features exterior shots of the St. Mary's School, which were filmed on location in the city of Los Angeles, particularly at the now-closed St. Mary's Academy. The movie, released in 1945, stars Bing Crosby and Ingrid Bergman and is a sequel to the earlier film "Going My Way."