There is no antonym for the word priory.
Priory is a noun meaning, "an institution or house of men or women living under religious vows and headed by a prior or prioress.
Woodside Priory School's motto is 'Priory'.
In Dorking Priory there are 859 students I don't know about Reigate Priory
The Priory School - Kingston - was created in 1944.
St Ives Priory was created in 1017.
Sempringham Priory was created in 1131.
Broadholme Priory ended in 1536.
Pontefract Priory was created in 1090.
Haverholme Priory was created in 1139.
Youghal Priory was created in 1185.
Lewes Priory was created in 1081.
Shelford Priory ended in 1536.
Alvecote Priory was created in 1159.