Saturday 13 December 1902 by the Governor of Queensland, Sir Herbert Chermside. The unveiling of the monument was an important occasion for Warwick. In 1912, a Baptist church opened in Warwick. The building had been completed by August 1912. Warwick State High School opened on 1 February 1912. It is one of the oldest state secondary schools in Queensland. St Mary's School also expanded, creating a secondary school called Assumption College in 1912, and in 1914 enlarging the convent to accommodate the growing secondary school. Lyndhurst State School opened in January 1913, but was quickly renamed Mount Gordon State School. It closed in 1985. The school was located on the corner of Wood Street and Parker Street (). On 29 November 1917, the Warwick Incident occurred, which would lead to the formation of the Australian Commonwealth Police with the first commissioner for Commonwealth Police appointed eight days later. As Prime Minister William Morris Hughes was addressing a crowd at the Warwick railway station, a man in the crowd threw an egg dislodging the Prime Minister's hat. Hughes ordered his arrest but the Queensland State policeman present refused to carry out the orders saying that Hughes had no authority over him. In February 1918 the Church of England High School for Girls opened with over 40 students. The school was operated by the Sisters of the Sacred Advent and the first headmistress was Miss Margaret Brown. In February 1918 the Presbyterian Girls College (PGC) opened in an existing house "Glenbrae" on over five acres in Locke Street, as a boarding and day school with 53 girls under headmistress Miss Constance Mackness (who retired in 1949, the longest serving headmistress of the school). The school was established by local families who did not want to have to send their daughters to Toowoomba for a Presbyterian education. In 1918, to meet the need for Presbyterian education for boys, the Scots College opened as a Presbyterian boarding and day for boys in an existing house "Arranmore" on the banks of the Condamine River under headmaster James Logan Briggs. The Warwick War Memorial was built in 1923 and the memorial gates were built in 1924. Slade School opened on 30 January 1926 in the house "Eastmont" (now known as "Slade House") on the ridge on the northern side of the Condamine River. The school was operated by the Bush Brotherhood. In 1977 it merged with