One Piece School

One Piece School is a One Piece spin-off manga by Sohei Koji. It has been published in Saikyo Jump since August 2, 2019, with its pilot chapter releasing on September 30, 2019, in Weekly Shonen Jump 2019 Issue 44. Its first physical volume was published on April 3, 2020.

Since April 8, 2022, the series is also available on Shōnen Jump+. New chapters are published on Shonen Jump+ in two parts: the first half at the beginning of a month, and the second half in the middle of a month. Saikyo Jump continues to publish full chapters at the beginning of every month.

Premise
The premise of this manga involves various characters from One Piece being placed in a school setting. Koby is a student who transfers into the same class as Monkey D. Luffy, which is taught by their homeroom teacher Aokiji.

Characters
Characters appearing in One Piece School are caricatures of their main series counterparts, usually in their pre-timeskip forms, and retaining their abilities. High-ranking Marines usually represent teachers, while pirates are students and CP9 is the student council.

Below is a full list of characters that have appeared in the series, ordered alphabetically. Characters are listed using aliases used in One Piece School:

Chapters not yet published in volume format
The following chapters have appeared in Saikyō Jump but have yet to be reprinted in tankōbon format.
 * 034. Parent's Heart, Child's Heart (親の心、子の心)
 * 035. If There is Anything to Throw Away (捨てるものあれば)
 * 036. Koby-kun's Career Aspirations (コビーくんの進路希望)
 * 037. Koby-kun's Dream (コビーくんの夢)
 * 038. Power Struggle (勢力争い)
 * 039. The Plan Won't Go Awry (計画は狂わない)
 * 040. Cora-san (コラさん)

Publication History
One Piece School has been published in every Saikyo Jump issue since it began in the September 2019 issue.

Trivia

 * Marguerite was originally shown as a New World Middle School student, but was later a student at Kuja Middle School.