 The open-air annexe (1919) demonstrates the medical and educational theories of the period, which valued fresh air and sunlight; and is important in demonstrating the development pattern of incorporating open-air classrooms into existing school complexes.The enclosure of the annexe in the 1920s demonstrates adaptions to the open-air classroom type to improve its functionality.The World War I Memorial (1923) is important in demonstrating the school community's involvement in this major world event.