[5] The school's buildings at the old site on Bolters Lane, including the historic mansion known as the Red House were demolished in January 2021 to make way for the development of retirement apartments.

The main building, known as the Red House, was built in 1885 and given to Herbert Edgar Reid and his wife as a wedding present from his father-in-law.

[7] The Priory was one of the schools in Banstead that remained open throughout World War II.

On 17 November 1940, the school was extensively damaged by fire resulting from high explosive incendiary bombs that hit the top floor of the Red House.

During this period, the school was only able to operate on half days, with lessons being held in the cellar of the Red House.