The Smashing Bird I Used to Know

The Smashing Bird I Used to Know is a 1969 British drama/sexploitation film, directed by Robert Hartford-Davis and starring Renée Asherson, Patrick Mower, Dennis Waterman, Madeleine Hinde and Maureen Lipman. It was written by John Peacock. The film was not released in the U.S. until 1973, retitled by AIP as School for Unclaimed Girls. AIP also reissued the film a year later under their shadow company United Producers Organization, as Hell House Girls. It is also known as House of Unclaimed Women.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.