A classroom extension in Federation style red brick with a low pitched corrugated iron roof and tall chimney was added in 1900.

A larger 67 by 23 feet (20.4 by 7.0 m) room was built onto the front of the building, with "revolving shutters" to allow it to be divided into two separate classrooms.

[5] From about 1914, new teaching methods were introduced that focused on skills suited to future farmers and country residents, including the use of small agricultural plots.

[5][11][12] (By 1923 the school garden was providing vegetables for daily hot meals in winter, prepared by the senior girls.

Initially, West Toodyay School was closed and the children taken to Duke Street each day by bus.

[12][17] The same was done for other schools later; the increased student numbers necessitated addition of another classroom, and a wooden pavilion was moved from Bunbury in 1923.

[20][21] Their names were Laurie Cook, Ewen McIntosh, Allen Fawell, Norman Waters and John Lee.

The same year a paved courtyard garden was built at the rear, and named "WAY Court" to commemorate WAY 79, the Western Australian sesquicentennial celebrations.