As a longtime boarding school in California and Arizona, Southwestern Academy’s original campus is located on eight acres in the city of San Marino, a residential community with gracious homes, in the San Gabriel Valley near Pasadena. Ten miles away, the sprawling city of Los Angeles acts as a learning laboratory for our students, offering a range of museums, theaters, concerts, and more as field trip destinations. Weather in the Pasadena area is mild and sunny in our location at the foot of the San Gabriel Mountains.