Clues have been deliberately left at Clootie Well (duplicated from the Black Isle to Auchterarder for the purposes of the plot), a place where items of clothing are traditionally left for luck.
Other schools include The Community School of Auchterarder, Auchterarder, Perth and Kinross; The Nicolson Institute, Stornoway, Western Isles; North Walls Community School on Hoy, Orkney Islands and Wester Hailes Education Centre, Wester Hailes, Edinburgh.