 In 1956 a new staff room, store and covered way were constructed between Block C and Block D; alterations to the existing Block C staff room included new windows to the east, a northern window relocated and opening infilled, and existing stairs moved slightly west to accommodate new covered way.In 1957 the understorey of the early Block C staff room was enclosed to form a health services room.Alterations to the western end of Block D in 1958 included enclosing the northern end of the eastern verandah to form a store room, widening of windows with the addition of casements (northern wall) and double-hung sashes (east and west walls).