Queensland State Archives posted a photo:
Happy Valley is a suburb of Mount Isa in the City of Mount Isa, Queensland. It is bounded to the west by the Great Northern railway, to the north by Twenty-third Avenue, and to the east roughly by the Leichhardt River. The suburb was named in September 1973 and is the ironic name given to the area by the population during the Great Depression, when a shanty town existed in the area.
Isa Mines State School opened on 3 May 1932 with 79 students and head-teacher Mr Phail and assistant teacher Miss Bennett. The original school building had 2 rooms with verandahs on the front and one side. By the end of the first month there were 99 students.
Rising student numbers necessitated the use of the verandahs as classrooms resulting in the addition of two more schoolrooms and an office in 1933. In 1938 a fifth