Here are my favorite picks for similar anime to Prison School. Keep in mind the list is in no particular order. Enjoy the recommendations!
Seven teenagers in 1955 have to learn to live together in the same hold in the reformatory of Shio. Confined in a hall where suffering and humiliation are daily, they are waiting for a ray of hope in a dark, incarcerating world. The story follows their life together and how they move on afterwards.
The Amanto, aliens from outer space, have invaded Earth and taken over feudal Japan. As a result, a prohibition on swords has been established, and the samurai of Japan are treated with disregard as a consequence.
However one man, Gintoki Sakata, still possesses the heart of the samurai, although from his love of sweets and work as a yorozuya, one might not expect it. Accompanying him in his jack-of-all-trades line of work are Shinpachi Shimura, a boy with glasses and a strong heart, Kagura with her umbrella and seemingly bottomless stomach, as well as Sadaharu, their oversized pet dog. Of course, these odd jobs are not always simple, as they frequently have run-ins with the police, ragtag rebels, and assassins, oftentimes leading to humorous but unfortunate consequences.
Who said life as an errand boy was easy? [Written by MAL Rewrite]
Akutabe, a detective, summons devils to solve the troubles of his clients. One day, a low class devil Azazel Atsushi is summoned by Akutabe and is used harshly by him and his assistant Rinko Sakuma.
Ganta Igarashi has been convicted of a crime that he hasn’t committed, and sent to a new, privately owned and operated prison, where the inmates are the main attraction in a modern day twist to the gladiatorial coliseums of ancient times. Throw in a healthy dose of weird little girl, some new-found super powers, and a little conspiracy theory, and you have Deadman Wonderland.
In the future, Japan is a wasteland. In the Great Kanto Desert, scattered humans eke out a living in the hot sand. Among them, a short-statured man they call “Sunabozu” makes a living as a bounty hunter. Like a demon of the sand, he seems unbeatable. Yet, like all men, he has a particular weakness for the opposite sex…
Danganronpa: Trigger Happy Havoc
Being just a normal student without a special talent, Makoto Naegi wins a lottery to attend the prestigious Hope’s Peak Academy where only the top prodigies attend. However, instead of this being the beginning of a wonderful high school life, it’s a ticket to despair, because the only way to graduate from Hope’s Peak Academy is to kill one of your fellow students or be one of their victims.
A mysterious, lethal disease is on the loose worldwide, resulting in a catastrophic death rate of humanity, and the increasing rise of attacks, caused by the living dead. In Japan, several high school students and a school nurse have banded together to escape Fujimi High School shortly after it was attacked by zombies.
The group now attempts to figure who or what was responsible for this plague, and in the meantime, attempt to survive the present apocalypse. The story is initially narrated through the eyes of Takashi Komuro, one of the students who had survived in the initial outbreak.
Onizuka Eikichi is an ex-bike gang leader who has but one goal, to become the greatest teacher. While doing his teaching internship as part of his studies to become a qualified teacher, he ends up in a delinquent class and learns of the possibility and necessity of the power and respect gained from one’s students. Due to a mishap, after graduating, he gets a job at a prestigious private school to handle their ‘problem class’ that made the past few teachers quit.
He must now handle a different kind of trouble when the trouble-makers include some of the smartest kids in Japan who prefer a more “intellectual approach” to torturing their teacher. Onizuka must slowly win his students over and deal with their distrust and hatred towards teachers and adults while handling the distrust of his fellow teachers who feel him unworthy of being a teacher.
The lives of a group of students who attend the boys-only Sanada North High School and their acquaintances. Generally centered around three friends; Tadakuni, Yoshitake, and Hidenori; they are surrounded by odd classmates, peculiar family members, and many other unique individuals.
Inaho Jr. High’s Boys Ping Pong Club has only 6 members, the club minimum. Takeda is your average nice guy. Kinoshita is good looking and popular with girls. Unfortunately, the rest are branded as losers. Tanabe is too foreign, while Tanaka is petite and perverse. Maena and Izawa are truly deviant, and their crazed antics have earned the team some powerful enemies. In spite of their differences, the team needs to work together to retain their practice room and club status.
References: MyAnimeList, Wiki, ANN