 Enrolments increased rapidly and despite strict building restrictions after the Second World War, facilities were expanded providing for up to 200 girls.In November 1969, Strathcona purchased 'Tay Creggan', the Year 9 campus located in Hawthorn on the banks of the Yarra River.Alumnae of Strathcona are known as Old Strathconians and are part of the school's alumni association, the Old Strathconians' Association (OSA).