The School Deviate Waru(1973)

Yoji Himuro (Hayato Tani) is a ruthless bully terrorizing the classroom with his buffoons. New teachers (Kunie Tanaka and Mari Atsumi) get assigned to tame him down, but they fail miserably. Yoji continues his no-respect rampage until the school principal brings in a new student, an American educated karate expert Noboru Ohinata (Yuki Meguro), to counter Yoji’s terror!