Here's a wonderfully clear photo of the School, from around 1920, with the entrance to Townley Castle School visible on the extreme left.
The history of Townley Castle School is an intriguing one and can be found in the book "The Chatham House Story" by David Carr. Apart from it's almost complete destruction during WW1 there is also the story of a young love-struck pupil who committed suicide in the grounds.