suburb, and Billy Hughes lived in the part of "Strathfield" which is now Homebush South. Page, for example, chose to live in Strathfield because of its direct rail services to Melbourne, then the seat of federal parliament, and his electorate on the north coast of New South Wales. Some of the large homes built in this period were purchased by private schools, and the unusually large number of private and public schools in the one suburb further increased residential demand. Following the introduction of the Local Government Act in 1919, Strathfield Council was one of the first to proclaim the major part of its area a residential district by proclamation in 1920. Strathfield underwent suburban subdivision in the early 20th century, with more suburban houses on smaller lots being built rather than the substantial mansions with expansive grounds built in the earlier period. Nevertheless, it remained a popular residential area. In 1977, Strathfield was the most expensive suburb in metropolitan Sydney measured by median house price. More significant commercial development took place in the last quarter of the 20th century, with a "modern" shopping centre, Strathfield Plaza, opening in 1981, accompanied by the first high rise residential apartment building in the suburb. More towers followed in the next few decades, concentrated around the station. Strathfield Murders On 17 August 1991, seven people were killed, when Wade Frankum stabbed a fifteen-year-old girl to death, before running amok with a rifle in the Strathfield Plaza shopping mall, and then turning the weapon on himself. This is commonly known as the Strathfield Massacre. A Memorial plaque is located at Churchill Avenue, Strathfield. Heritage listings Strathfield has a number of heritage-listed sites, including: 25A Barker Road: Mount St Mary Campus of the Australian Catholic University Great Southern and Western railway: Strathfield rail underbridges Great Southern and Western railway: Strathfield railway station 62 The Boulevarde: Trinity Uniting Church, Strathfield Schools Strathfield has an unusually large concentration of educational institutions in one suburb. The government schools located in Strathfield include the two secondary schools Strathfield Girls High School and Strathfield South High School. The catchment of Strathfield Girls stretches north to Concord West, west to Homebush West and east to the western part of Burwood, but does not include the southern-most section of the suburb of Strathfield itself. Strathfield South High School is co-educational, and its catchment includes the southern-most section of Strathfield, as well as