In 1961, the school moved to New Wardour Castle near Tisbury in Wiltshire, and extensively renovated the building, which had fallen into a severe state of disrepair.

The Lower Sixth Form had studios for one or two girls in a modern extension on the south-eastern side of the building.

A student assembly was held most mornings around the rotunda staircase, with each year standing in groups between the columns.

Outside, there was an open-air swimming pool in the walled garden, six tennis courts and a running track, with space for field sports on the front lawn.

[5] The 2009 movie, Tanner Hall, written and co-directed by alumna Tatiana von Furstenberg, was loosely based on her experiences as a pupil there.