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 2019. 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.

Chapters not yet published in volume format
The following chapters have appeared in Saikyō Jump but have yet to be reprinted in tankōbon format.
 * 019. School Has Started (学校は始まった)
 * 020. Big Brother is a Worrier (お兄ちゃんは心配性)
 * 021. Rumored Wicked Girl (噂の悪女)
 * 022. Café Baltigo (カフェ バルティゴ)
 * 023. White-Bearded Old Man (白いひげのおっさん)