Slave Training - Elite Female Student Council in a School of Delinquents

This town has two schools: a proper all-girls school strict about behavior and grades, and an all-boys school that might as well be the Wild West.
The schoolboys are all horny, and relentless try to get under the skirts of the girls on a daily basis.
That's when 3 members of the student council from the all-girls school decide to enter the delinquent school to put a stop to it once and for all.
After a rough fight, they take down the delinquent leader, and restore the peace.
Or so they thought...
The delinquents were simply pretending to follow the girls' lead, while waiting for the opportune moment to strike...