I think you may be looking for 'Detention Girls' from 1969, here's a link to a montage pic. Sorry, don't have a source for the scene.
http://ralphus.net/database/azwhip/detentiongirls.html
http://ralphus.net/database/azwhip/detentiongirls.html
Statistics: Posted by Warmhand — Wed Mar 22, 2017 3:37 am