Kyôfu joshikôkô: bôkô rinchi kyôshitsu 1973

Name: Kyôfu joshikôkô: bôkô rinchi kyôshitsu
Released: 1973-03-31
Cast: Miki Sugimoto, Reiko Ike, Seiko Saburi, Misuzu Ôta, Rie Saotome

Synopsis:

Three new students at a super-strict girl's school must face off with a repressive school administration, the sadistic, murderous student discipline brigade and corrupt politicians over the murder/suicide of one of their friends. They're approached by a blackmailer (Tsunehiko Watase) who promises to help them exact vengeance in exchange for setting up a corrupt local politician, and aided by a independent Yakuza biker chick (Reiko Ike).