[2] Butterstone House Preparatory School was founded in 1947 by The Hon Elizabeth Lyle, the younger daughter of Sir Archibald Sinclair of Ulbster, MP for Caithness and Sutherland, leader of the Liberal Party, Winston Churchill's wartime Secretary of State for Air and in 1952 created Viscount Thurso.
[3] Between 1947 and 1991 the school was located at Butterstone House, near Dunkeld in Perthshire.
[4] Langlands was succeeded by Christopher Syers-Gibson who remained at the school until his retirement in 1998.
[5] Under the guidance of Christopher Syers-Gibson, the school moved to larger premises at Arthurstone House, Meigle, in 1991.
)[7] In June 2003, Butterstone announced that they would be merging with Kilgraston School, Bridge of Earn.