The Whipping Headmistress
Erectus says this is a scene from the 1968 movie The Headmistress. If I am reading IMDB right, this is probably the actress Julia Blackburn getting whipped:
See Also:
Spanking Blog: Adult Erotic Spanking At Its Best
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A "Punished Delinquents In Tears" Movie:
Detention House 3: Spanked Inmates Made Very Sorry
"...a heavy round wooden paddle with a hole in the middle that leaves fearsome red bruises. And then the shaking girls with beaten butts and tearful faces receive another terrible punishment..."
Some additional info about the movie:
http://monsterhunter.coldfusionvideo.com/2009/10/the-head-mistress-1968/