Prison School is a tV series anime that premiered in summer 2015, produced by J.C.STAFF.

About the production: the story comes from a manga, there are 12 episodes of about 24 minutes and its current status is "finished".

Its main genres are comedy and ecchi, with themes such as School, Prison, Surreal Comedy and Nudity.

On AniList, Prison School has an average score of 73%, a good score, and appears on 252,603 users' lists.

The franchise continues in or follows from: Prison School: Mad Wax.

Hachimitsu Private Academy was a revered and elite all-girls' boarding school on the outskirts of Tokyo...once upon a time. But with the new school year comes a revision to school policy: Boys are to be admitted into the student body for the first time ever. But on his first day at Hachimitsu, Kiyoshi Fujino discovers that he's one of only five boys enrolled at the school. Their numbers overwhelmed by the thousand girls in the student body, is it heaven or hell that awaits these five (un)fortunates?!. (Source: Anime News Network)

Official synopsis from AniList.