classrooms, an office, a staff room and a sick room. By that time, there were 260 students and 7 staff. Acacia Ridge Methodist Church was established in 1966. On the creation of the Uniting Church in Australia in 1977, it became the Acacia Ridge Uniting Church. Watson Road State School opened on 23 January 1967. Acacia Ridge State High School opened on 25 January 1971 and closed on 31 December 1997, when it amalgamated with Salisbury State High School to form the new Nyanda State High School. Acacia Ridge State High School was at 67 Nyngam Street (). Acacia Ridge State School was then relocated onto the Nyngam Street site. The suburb was officially named and bounded on 11 August 1975. St Alban's Anglican Church closed circa 1980. The church building relocated to the Anglican Church of the Holy Spirit in neighbouring Algester to be used as a parish hall. The Aboriginal and Islander Independent Community School (also known as The Murri School) was opened 1 January 1986 in a disused Catholic primary school in Highgate Hill. In 1995, the school relocated to a disused state school in Milton. In 1997, the school obtained its current site in Acacia Ridge, which was the original site of Acacia Ridge State School before its relocation to the site of the former Acacia Ridge State High School after that school's closure. In the , Acacia Ridge recorded a population of 6,945 people. In the , Acacia Ridge had a population of 7,429 people, 49.8% female and 50.2% male. The median age of the Acacia Ridge population was 34 years, 3 years below the national median of 37. 61.6% of people living in Acacia Ridge were born in Australia, compared to the national average of 69.8%; the next most common countries of birth were New Zealand 3.9%, India 3.1%, Philippines 2.3% and Vietnam 2%. 59.6% spoke only English at home; the next most popular languages were 2.8% Somali, 2.6% Vietnamese, 2.4% Arabic, 1.8% Spanish, 1.8% Mandarin. Heritage listings Acacia Ridge has a number of heritage-listed sites, including: Carr's Quarry (former), 174 Mortimer Road () Acacia Ridge Air Raid Shelter, 174 Mortimer Road () Our Lady of Fatima Catholic Church Hall, 350 Mortimer Road () Economy From 1966 until the mid-1980s, Acacia Ridge accommodated one of Holden's main vehicle manufacturing plants, which produced both full-sized and smaller models including the Holden Gemini. When local production