that Knox Grammar School would commence construction of a new Performing Arts Centre and Junior Secondary Academy in February 2017. It was completed in early 2019. The Senior School's construction for a new locker area for Years 7-10 as well as a basketball court, which is in the process of refurbishing the KG1 Building for the new Middle Academy, was completed in early 2020. House system Boarding Knox Grammar School provides boarding facilities for approximately 160 boarders. Boarding facilities have been available since the School's opening, in 1924 Gillespie (Maroon) – the original school house and is named for Robert Gillespie, a founder and benefactor of the School, and chairman of the School Council (1923–1945). It was later converted into a Boarding House, now known as "Gillespie Heritage House". Boarding Centre – opened in September 2010, the Boarding Centre accommodates Boarders in 21st Century style. Other Houses MacNeil (Black) – originally MacNeil House was an expansion to Gillespie House, completed to add room to the new school. It is named for Neil MacNeil, the first headmaster of the School (1924–1938). Adamson (Dark green) – John Adamson – a long-serving chairman of the School Council. Angus (Brown) – Rev Samuel Angus – a Professor of Theology at Sydney University and former member of the School Council. Bryden (Grey) – Dr William Bryden – the second headmaster of the School (1939–1953). Also known as the cultural house. House mascot is the 'Bryden Squid'. McIlrath (Dark blue) – William McIlrath – a founder and benefactor of the School and a long-serving council member (1923–1955). His widow contributed 50,000 pounds for the construction of the School chapel in 1960, which contains a Baroque organ by Ronald Sharp. McKenzie (Orange). Dr Ross McKenzie – fourth headmaster of the School (1956–1969). Montgomery (Lime green) – Ross Montgomery – a School Council member (1953–1970) and benefactor of the School. His major gifts included the Montgomery Building and Gilmore House. Murdoch (Red) – AM Murdoch – a long-serving School Council member (from 1938) and chairman (1855–1969) Reid (Yellow) – Andrew Reid – a founder and benefactor of the School. A business leader, sole proprietor of James Hardie in 1912, he made many financial contributions to the School; he also built the Margaret Reid Home for Crippled Children in St. Ives, in memory of his late wife. Sinclair (Purple) – George Sinclair – a school council member (from 1944)