"A School Behind Bars" centers around Asahi Junior High School, which is located within Nagano Matsumoto Boy's prison in Matsumoto City, Nagano Prefecture - the only public school in Japan that is located inside a prison. The school's students are all prisoners ranging in age from 20-70. The students are carefully selected after taking an entrance exam and being selected by the school's admission board.
Acting
Joe Odagiri's restrained humanity against institutional coldness.
Direction
Kiyohiro finds warmth in concrete corridors.
Writing
Admission board scenes crack with unspoken stakes.

Director
Makoto Kiyohiro
Trivia, insights & behind the scenes
The real Nagano Matsumoto Boy's prison school still operates, though enrollment has dwindled to single digits in recent years.
Japan's prison education system, modeled after 19th-century German reforms, emphasizes rehabilitation through 'moral suasion'—this film interrogates whether that philosophy survives contact with reality.