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.

Grand City
Grand City (グランド) is a city located in an unknown region. While it has a functioning system of government, the congressman is considered to be corrupt, and the middle schools in the city have much more influence than any other group or organization.

Café Baltigo
Café Baltigo (カフェ バルティゴ) is a café located in Grand City. It is secretly run by the Revolutionary Army. It has four branch offices named after each cardinal direction, and is owned by Emporio Ivankov.

Under Bridge Inn
Under Bridge Inn (木喬の下のメシ屋) is an inn located under a bridge in Grand City. It is run by Terry, and frequented by Whitebeard.

Grand Station
Grand Station (グランド駅) is a train station connected to a park in Grand City. It is the location where Koby was attacked by members of the Donquixote Family.

Amazon Candy Shop
Amazon Candy Shop (駄菓子屋アマゾン) is a candy shop run by Amazon. It is located somewhere to the south west of New World Middle School.

New World Middle School
New World Middle School (新世界中学校) is the school that Koby and his friends attend, as well as "Grand City's Most Powerful" school.

Moby Dick School


Moby Dick School (モビーディック校) is a branch school of New World Middle School, located on a boat in the ocean. It's connected back to the mainland by a single dock. However, the dock can be disconnected, allowing the school to sail.

Ohimegaoka Junior High School
Ohimegaoka Junior High School (王姫ヶ丘中学校) is a prestigious junior high school, exclusive enough that someone's transfer there is debated at the "Council of the World's Top Influential Families" (also known as the Levely).

Death Boys Music School
Death Boys Music School (デスボーイズ音楽中学校) is a music school, outside Grand City. The only known student was Brook, who temporarily studied abroad there.

Kuja Girls Junior High
Kuja Girls Junior High (九蛇又予中学校) is a girls-only junior high school. Despite it being a separate school, one of its students is still considered one of New World Middle School's "7 Seniors". The school can drive, both in water and on land.

South Grand Primary School
South Grand Primary School (グランド南小の) is a primary school that Eustass Kid and Killer used to attend.

Onigashima Middle School
Onigashima Middle School (鬼ヶ島中学校), sometimes called Onichu (鬼中), is a middle school associated with Donquixote Doflamingo and Kaidou, one of the Four Emperors. It is located in the Wano Country. Doflamingo tried to orchestrate Whitebeard's defeat to provide more freedom to Onigashima Middle School.

Characters
{{Scroll Box|height=690px| Characters appearing in One Piece School are caricatures of their main series counterparts, usually in their pre-Timeskip forms, and retain 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:

Teachers

 * Attach
 * Bastille
 * Mr. Borsalino Kizaru (2nd Year Student Affairs Manager)
 * Brannew
 * Caesar Clown (Science Teacher)
 * Dalmatian
 * Doberman
 * Five Elders
 * Gaimon
 * Hina
 * Jaygarcia Saturn
 * Mr. Kuzan Aokiji (Class 1-1 Head Teacher and 1st Year Student Affairs Manager)
 * Lonz
 * Momonga
 * Monkey D. Garp
 * Onigumo
 * Pudding Pudding
 * Mr. Sakazuki Akainu (3rd Year Student Affairs Manager)
 * Sengoku (Principal)
 * Shu
 * Smoker
 * Stainless
 * Strawberry
 * T Bone
 * Tashigi (Teacher-in-Training)
 * Terracotta
 * Tokikake
 * Yamakaji

Student Council
The student council is a group of students who are dedicated to "protecting the rules" of New World Middle School. They are authorized, both through the school and the law, to use violence to enforce these standards, and have the ability to suggest suspensions to the principal, which are usually accepted.
 * Blueno
 * Fukurou
 * Hattori
 * Jabra (Vice-President, former temporary President)
 * Kaku (Vice-President)
 * Kalifa (Secretary)
 * Kumadori
 * Rob Lucci ("Hyouta Hattori" (ヒヨウくん)) (President)
 * Spandam (Advisor)

Class 1-1

 * Mr. 4
 * Brook
 * Buggy
 * Cabaji
 * Chew
 * Fullbody
 * Hatchan
 * Jango
 * Jinbe
 * Koby
 * Kuroobi
 * Masira
 * Miss Monday
 * Mohji
 * Monkey D. Luffy ("Mr. 5686")
 * Mr. 9
 * Nami
 * Nefertari Vivi (Class Monitor, "Miss Wednesday")
 * Nico Robin
 * Richie
 * Risky Brothers
 * Roronoa Zoro
 * Sanji
 * Tony Tony Chopper
 * Usopp ("Mr. 800")
 * Uta
 * Zambai
 * Franky
 * Yamato (as a second year student)

Class 1-2

 * Kumashi
 * Perona

Class 1-3

 * Scratchmen Apoo

Class 1-4

 * X Drake

Class 1-5

 * Jewelry Bonney

Class 1-6

 * Bepo
 * Hakugan
 * Ikkaku
 * Jean Bart
 * Penguin
 * Shachi
 * Trafalgar D. Water Law

Class 1-7

 * Capone Bege
 * Vito

Class 1-8

 * Urouge

Class 1-9

 * Basil Hawkins

Class 1-10

 * Eustass Kid
 * Heat
 * Killer
 * Wire

Unknown Class

 * Bellamy
 * Buchi
 * Chess
 * Dosun
 * Mr. 5
 * Gin
 * Hamburg
 * Krieg
 * Kuromarimo
 * Pearl
 * Sarkies
 * Sham

Class 2-6

 * Blueno
 * Fukurou
 * Jabra
 * Kaku
 * Kalifa
 * Kumadori
 * Rob Lucci

Unknown Class

 * Arlong
 * Chaka
 * Enel
 * Miss Doublefinger
 * Daz Bonez ("Mr. 1")
 * Pell
 * Shyarly

Class 3-3

 * Wanda

Class 3-9

 * Crocodile ("Mr. 0")
 * Dracule Mihawk

Unknown Class

 * Atmos
 * Blamenco
 * Blenheim
 * Blondie
 * Islewan
 * Donquixote Doflamingo
 * Izou
 * Rakuyo
 * Skull
 * Squard
 * Viola
 * Whitey Bay

Unknown Year

 * Albion
 * Bomba
 * Braham
 * Conis
 * Dalton
 * Dobby Ibadonbo
 * Foxy
 * Gatz
 * Gecko Moria
 * Gedatsu
 * Gyaro
 * Haritsu Kendiyo
 * Helmeppo
 * Hotori and Kotori
 * Itomimizu
 * Johnny
 * Kamakiri
 * Kiev
 * Koza
 * Koze
 * Kuro
 * Lassoo
 * Macro
 * Marguerite (Formerly)
 * Miss Goldenweek
 * Merry
 * Miss Valentine
 * Minochihuahua
 * Minotaurus
 * Miss Father's Day
 * Miss Friday
 * Miss Merry Christmas
 * Monda
 * Mozu and Kiwi
 * Mr. Mellow
 * Mr. 2 Bon Kurei
 * Mr. 3
 * Mr. 11
 * Mr. 13
 * Nero
 * Ohm
 * Packy
 * Paulie
 * Peepley Lulu
 * Pekoms
 * Puppu
 * Pike
 * Porche
 * Raki
 * Risky Brothers (Zombies)
 * Roshio
 * Satori
 * Senor Pink
 * Shoujou
 * Shura
 * Spandam
 * Tansui
 * Tightrope Walking Funan Bros
 * Tilestone
 * Wanze
 * Wyper
 * Yosaku

Graduated

 * Kozuki Oden

Other

 * Cocox
 * Lionbuta
 * Usagihebi

Second Year

 * Portgas D. Ace

Third Year

 * Marco
 * Jozu
 * Whitebeard

Unknown Year

 * Aggie 68
 * Curiel
 * Fossa
 * Haruta
 * Kingdew
 * Masked Deuce
 * Namur
 * Saber
 * Speed Jiru
 * Tate
 * Thatch
 * Vista

Teachers

 * Mrs. Elder Nyon (Principal)

Third Year

 * Boa Hancock
 * Boa Marigold
 * Boa Sandersonia

Unknown Year

 * Aphelandra
 * Cosmos
 * Daisy
 * Kikyo
 * Marguerite
 * Ran
 * Rindo
 * Sweet Pea

Other

 * Salome

Third Year

 * Kaidou

Other Students

 * Alvida (Unnamed middle school)
 * Bartolomeo (Unnamed primary school)
 * Heppoko (Unnamed middle school)
 * Koala (Second year student at unknown school)
 * Makko
 * Peppoko (Unnamed middle school)
 * Poppoko (Unnamed middle school)
 * Sabo (Second year student at unknown school)

Seven Studentlords
The Seven Studentlords (七武生) are seven third-year students who go to New World Middle School. They're said to be the strongest students in the school.
 * Boa Hancock (Despite not going to New World Middle School)
 * Crocodile
 * Donquixote Doflamingo
 * Dracule Mihawk

Four Emperors
The Four Emperors are four students who are said to be the guardians of their respective schools. Two attend New World Middle School, while the other two attend separate schools.
 * Whitebeard (Moby Dick School, a branch school of New World Middle School)
 * Kaidou (Onigashima Middle School)

Other Characters

 * Amazon
 * Arrow
 * Baby 5
 * Barrel
 * Belo Betty
 * Boo
 * Boodle
 * Brahm
 * Buffalo
 * Bunny Joe
 * Chicken
 * Chimney
 * Chinjao
 * Chouchou
 * Curly Dadan
 * Diamante
 * Emporio Ivankov
 * Genbo
 * Gladius
 * Gonbe
 * Gyoru
 * Hack
 * Hyota
 * Igaram
 * Ipponmatsu
 * Jalmack (Congressman)
 * Jujiro
 * Karasu
 * Karoo
 * Kakunoshin
 * Kisegawa
 * Kojuro
 * Kokoro
 * Komachiyo
 * Kurozumi Tama
 * Lindbergh
 * Minatomo
 * Moda
 * Monet
 * Moodie
 * Morley
 * Mr. 7
 * Nefertari Cobra
 * Ninjin
 * Onigiri
 * Pappag
 * Pica
 * Piiman
 * Pinky
 * Sai
 * Shanks
 * Shelly
 * Su
 * Sugar
 * Tamanegi
 * Terry
 * Tonjit
 * Trebol
 * Tsurujo
 * Zeff (Former New World Middle School student)

Below is a list of animal species that have appeared in the series: }}
 * Bananawani
 * Blue Gorillas
 * Den Den Mushi
 * Elephant Tuna
 * Hiking Bear
 * Humandrills
 * Komainu (Komachiyo)
 * Kraken
 * Kung Fu Dugong
 * Octopus (Mash, fantasized)
 * Sea Beast (Momoo)
 * South Bird

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)

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.