It was previously a private property called Hinemoa, purchased in 1901 by Alexander Clarke Munro, who was manager of the Jarrahdale Timber Station, became Superintendent of the Millars Karri and Jarrah Company and was the Western Australian Government's representative at the Paris and Glasgow 1901 Exhibition.
The Jesuits ran the school until 1971, when it was handed over to the Catholic Archdiocese of Perth.
[1] St. Louis School enrolled boys from ages seven to seventeen, both day pupils and boarders.
Until the mid-1960s, the year grades were named after levels in the traditional Jesuit curriculum: Elements, Rudiments, Grammar (I and II) 3rd reverse this order, Syntax (I and II) reverse this order,[incomprehensible] Poetry and Rhetoric.
Initially there were three houses named after the Jesuit saints: Gonzaga (blue), Kostka (green) and Xavier (red).