Assassination Classroom tier list

All 55 Assassination Classroom characters ranked S to D. Each tier was researched from canon feats, official databooks and power-scaling sources, not popularity, and only compares characters within Assassination Classroom. Within a tier, characters are listed by popularity.

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Who is the strongest in Assassination Classroom?

The strongest Assassination Classroom characters in this tier list are Koro-sensei and Reaper, the S tier. Tiers are ranked within Assassination Classroom only, from canon feats, official databooks and power-scaling sources rather than popularity.

The 10 strongest Assassination Classroom characters, and why

Best tier first. Within a tier they're listed by popularity, not as a ranking inside the tier. See the strongest characters in every anime.

Assassination Classroom tier list

S
A
B
C
D

* Fans argue about this one's tier: Reaper, Nagisa Shiota, Tadaomi Karasuma, Kaede Kayano, Itona Horibe, Shiro and Ritsu.

Why each character got their tier

The reasoning behind every placement: the feats, wins and losses that decided it, and the rankings and databooks it was checked against. "Disputed" means fans and sources split on it, so we picked a side and say why. "VSB" is the VS Battles wiki's power tier, and "#3 Looper" means third in that site's ranking. More on how we rank characters.

S tier

Koro-sensei S
The world's hardest target: Mach 20, regeneration and total recall, plus the skills of the original Reaper, the best human assassin alive. Beat tentacled Itona, Kayano, Shiro and the Mach 40 second Reaper, and only died because he let his students do it. #1 on both lists. str 4 because the wiki states brute strength is his weak point.
Reaper S · disputed
Second Reaper, rated in his tentacle form. Twice Koro-sensei's top speed at Mach 40, he overwhelmed Koro-sensei for most of the final battle and lost only to a last all-out blast. As a human he trapped all of 3-E and Koro-sensei, and took down Karma and Nagisa in seconds. disputed: the lists split him into human and monster, so Looper and GamesHorizon leave him out, and VS Battles has him at High

A tier

Karma Akabane A
Best chart in 3-E (4/4/4.5/4.5/5/5 = 27), first student to wound Koro-sensei, beat professional killer Grip in a straight fight and scored a perfect 500 to take first place from Gakushuu. Lost the civil war to Nagisa, but only by surrender. #2 Looper, #4 GamesHorizon.
Nagisa Shiota A · disputed
The class's greatest assassin talent per the story: beat Takaoka twice, won the class civil war by making Karma surrender, stopped Kayano's tentacle rampage, and struck the final blow on Koro-sensei. Rated on skill, so skl 5 sits next to a weak body (chart stamina 2). Chart close 3.5, skill 5. disputed: Itona calls Karma the strongest in class, yet Nagisa won their fight.
Tadaomi Karasuma A · disputed
Elite Ministry of Defence agent and the top human fighter: beat the human Reaper in a bare-hand fight that Koro-sensei called the battle of mankind's strongest, though Koro-sensei's tentacle caught the hidden bullet. Knocked out Smog while gassed. disputed: GamesHorizon #2, but missing from Looper's top 10.
Kaede Kayano A · disputed
Rated at full tentacle power, where her official chart reads 1/5/5/5/1.75/5. She hid the cells for over a year, fooled the whole class and staff, attacked Koro-sensei in earnest and was judged by Shiro the best qualified assassin in 3-E. Without tentacles her chart is only 2/2/2/3.5/3/4 (16.5), so this is a peak-version rank. disputed: Looper #4, GamesHorizon #5, but she lost to Nagisa and had to
Itona Horibe A · disputed
Rated with tentacles, where his official chart is 5/5/5/5/2.5 and he fought Koro-sensei head on twice before losing. Without them his chart is 2.5/4.5/4/2/5/4.5 (22.5), and he kept most of his athletics. int 3 splits the tentacled 2.5 and the later 5. disputed: Looper #5 and GamesHorizon #6 agree on A, but as a human he alone would be B.
Shiro A · disputed
Kotaro Yanagisawa, rated after injecting himself with tentacle cells: speed on par with Koro-sensei and survived his energy blast, plus the genius who built the whole tentacle science. Second fiddle to the Reaper in the final battle and thrown into the barrier. disputed: Looper #3, GamesHorizon #15, because the second list rates the unaugmented scientist.

B tier

Irina Jelavic B
Professional assassin since age 12 and second to none at infiltration, but the wiki states she is well below real fighters like Karasuma, and Lovro beat her easily. #8 Looper, #11 GamesHorizon. cha 5 for her charm, the core of her trade.
Ritsu B · disputed
Battle AI with shotguns, machine guns and world-class hacking, and the second student to wound Koro-sensei. spd 1 because the main unit can't move. disputed: Looper #6 and GamesHorizon #7 would make her A, but the human Reaper hacked her mobile version and her main unit can't leave its spot.
Yuma Isogai B
Second-best chart in 3-E (4.5/4/5/4.5/4.5/4 = 26.5), best knife among the boys, second-best shot in June and first in the school in social studies. Spotted and shot Hazama and Mimura in the civil war.
Gakushu Asano B
Top student in the school with a near-perfect record, fluent in several languages and trained in martial arts, and 3-E's main rival. Lost first place to Karma's perfect 500. Ranked on rivalry and brains, since he never fights professionals.
Hiroto Maehara B
Second-best knife in the class and one of its four most agile students, and he eliminated Itona, Okano and Kimura in the civil war. #18 GamesHorizon. No official chart was found, so the stats are judgement.
Ryunosuke Chiba B
Chart 3.5/3/3/5/4/5 = 23.5. Best marksman in the class, praised by Lovro, and with Hayami disarmed the professional Gastro. #9 GamesHorizon.
Rinka Hayami B
Chart 3.5/4/3.5/5/4/5 = 25. Best shot among the girls, praised by Lovro, and with Chiba disarmed the professional Gastro. Lost to a lucky Yada shot in the civil war, which doesn't change her rank.
Ryoma Terasaka B
Chart 5/3.5/4.5/1.5/1/4 = 19.5, the class's only full stamina mark. Body-slammed security guards, took Itona's tentacle attack head on and hid poison for hours. The low chart total hides the strongest body in 3-E, so B on real feats. str 2 keeps him on the shared scale.
Gakuho Asano B
Board chairman and genius: beat his karate teacher after three days of watching and four exchange students without taking a hit. His grenade gamble gave him a 20% chance against Koro-sensei, far better than any 3-E attempt, and he still lost. #9 Looper, #10 GamesHorizon.
Gastro B
Ex-soldier and expert marksman who locates and identifies people by their breathing. Chiba and Hayami disarmed him together with Koro-sensei directing, so he stays level with them.
Grip B
Professional killer who works without weapons, with hands said to crush a skull. Lost to Karma, but only after a real fight and gas tricks from both sides.
Red Eye B
World-class sniper with 35 kills and a perfect record over eight years, said to hit a target 2 km away in a sandstorm, until Koro-sensei beat him. Later survived the Reaper's attack.
Lovro Brovski B
191 kills of his own, and even retired he trapped and overpowered Irina with ease. The Reaper left him badly hurt, and he is past his peak. #10 Looper, #8 GamesHorizon.
Akira Takaoka B
Trained air force drill instructor who masterminded the island attack on 3-E and easily landed hits on Nagisa. Beaten twice by Nagisa, so he is B only as a professional soldier. Nagisa is A.
Smog B
Expert maker of his own poisons and viruses, who poisoned many of 3-E on the island. Karasuma downed him while gassed, so he is below the top fighters. int 4 for his chemistry.

C tier

Rio Nakamura C
Chart 3/3.5/3.5/3/5/4.5 = 22.5. A former prodigy who beat a Big Five member to first place in English, and is one of 3-E's smartest, but her fighting scores are mid-table.
Tomohito Sugino C
Chart 4.5/4.5/4.5/2.5/2.5/4.5 = 23. Third-best knife among the boys and a close-combat specialist, plus the pitcher who beat Shindo's team. #14 GamesHorizon.
Yukiko Kanzaki C
Chart 2.5/2/1.5/4/4.5/5 = 19.5. Seventh overall in the second-term finals and sharpens her aim on online shooters, but is weak up close.
Manami Okuda C
Chart 1/1.5/1/3/4/5 = 15.5, the lowest in the class. Stays C because her chemistry skills feed 3-E's plans and she trained as an assassin. Her poisons reached Koro-sensei directly.
Hinano Kurahashi C
Chart 2/3/3.5/2/3/4.5 = 18. Third-best knife among the girls (tied) with deep biology knowledge, but no standout fight.
Kirara Hazama C
Chart 1.5/2/1/4/4/4 = 16.5. Joint third-best shot among the girls and the class's scriptwriter, who ambushed Sugino in the civil war.
Toka Yada C
Third-best knife among the girls (tied) and the keenest student of Irina's infiltration lessons, preferring negotiation to violence: Karasuma's aptitude table gives her 6 of 6 for negotiation, hence cha 4. Her civil war shot on Hayami was luck, so no flag. No stat chart was found, so the other stats are judgement.
Megu Kataoka C
Chart 4.5/4/4/2.5/4.5/4 = 23.5. Girls' class representative and best swimmer, joint fourth at knives, and Karasuma rates her close to the boys in close combat. No win over a professional.
Yuzuki Fuwa C
Chart 3/3/3/4/4/5 = 22. Solid all round, with her memory and deduction the real asset. She was first to recognise Smog.
Takuya Muramatsu C
Fourth-best shot among the boys in June (90/200) and the best cook among them, with the festival's acorn noodles his big win. No official chart was found, so the stats are judgement.
Sosuke Sugaya C
Chart 2.5/2.5/3/3.5/1/5 = 17.5. Class artist whose disguises and camouflage support every plan. int 2 follows the method's rule that no 3-E student drops to int 1.
Sumire Hara C
Chart 2.5/1.5/2.5/3.5/4/5 = 19. Second-best shot among the girls in June, joint best cook, and her home-made net trap caught Okano and Kimura in the civil war.
Taiga Okajima C
Chart 4/3.5/3.5/2/2.5/3.5 = 19.5. Joint fourth at knives and turned his camera know-how against the Reaper's security cameras. luck 1 because the wiki calls him the unluckiest in class.
Kotaro Takebayashi C
Chart 1.5/2/2/3.5/4.5/4.5 = 18.5. Class demolition expert whose smuggled explosives got 3-E out of captivity. Weak physically. #16 GamesHorizon.
Hinata Okano C
Chart 4/5/4/1.5/2/4.5 = 21. One of the two best knives among the girls and among the class's most agile, with a blade in her shoe for kicks.
Taisei Yoshida C
Mechanic and rider who co-built Itona's RC tank and rebuilt Matsukata's bicycle. No standout fight. No official chart was found, so the stats are judgement.
Masayoshi Kimura C
Chart 4/5/4/1/1.5/5 = 20.5. Fastest runner in the class, with an 11-second 100 m, and joint fourth at knives. #17 GamesHorizon.
Koki Mimura C
Class video producer whose sharp eyes and plain presence make him a scout. He leaked the blue team's formation to Karma. No official chart was found, so the stats are judgement.

D tier

Aguri Yukimura D
Non-fighter ranked on power, as with Komugi in group 6. Her impact is the biggest in the story: her dying request made a killer into a teacher.
Kunudon D
School mascot and non-fighter, sent to 3-E after being fired. He stays a mascot and never becomes an assassin.
Sakura Kiyashiki D
Elementary pupil and non-fighter. She told Nagisa he would make a good teacher, which helped set his future.
Yuji Norita D
Rich teenager and non-fighter who can read lies in faces. His one role is the Okinawa resort encounter and the change it sparked in him.
Rikuto Ikeda D
Non-fighter. One of Gakuho's first three students, whose death turned his kind teacher into the chairman. Impact only.
Ren Sakakibara D
Big Five member and student council secretary, whose specialty is poetry and the humanities. Academic rival with no combat.
Natsuhiko Koyama D
Big Five member and biology club president, who claims to have memorised every chemical formula. Academic rival with no combat.
Tomoya Seo D
Big Five member and student assembly chairman, fluent in English. Nakamura beat him to first place. Academic rival with no real combat.
Matsukata D
Non-fighter and elderly nursery cram school principal. 3-E's accident on him is the turning point of the second term, and Koro-sensei's anger over it the lesson.
Teppei Araki D
Big Five member and broadcasting club head, who announces the school's matches. Academic rival whose real asset is gathering information.
Kazutaka Shindo D
Baseball captain and star pitcher who lost to 3-E's team. He is the first main-campus student to openly help them. No combat. Spd and skl reflect sport only.
Chosuke Takada D
Main-campus bully with no abilities, as the wiki says outright.
Hiromi Shiota D
Non-fighter who hides in fear when a real hit man shows up. Her control shaped Nagisa's people-reading, which is her real impact on the story.
Nobuta Tanaka D
Main-campus bully and a coward: he ran the moment Nagisa showed a hint of bloodlust.

Best at each trait

Every rating

Each trait is rated 1 to 5 within Assassination Classroom. These ratings set the prices in Build a Character, so a $5 Speed pick really is one of the fastest.

CharacterTierStrSpdIntDurSkillCha
Koro-senseiS455555
ReaperS454453
Karma AkabaneA234244
Nagisa ShiotaA133253
Tadaomi KarasumaA343454
Kaede KayanoA354344
Itona HoribeA353332
ShiroA355423
Irina JelavicB223245
RitsuB215343
Yuma IsogaiB234344
Gakushu AsanoB224234
Hiroto MaeharaB233233
Ryunosuke ChibaB223242
Rinka HayamiB233242
Ryoma TerasakaB222333
Gakuho AsanoB335345
GastroB223242
GripB322332
Red EyeB223342
Lovro BrovskiB333343
Akira TakaokaB322332
SmogB224232
Rio NakamuraC224223
Tomohito SuginoC232333
Yukiko KanzakiC214233
Manami OkudaC113122
Hinano KurahashiC123223
Kirara HazamaC113133
Toka YadaC223224
Megu KataokaC234334
Yuzuki FuwaC223233
Takuya MuramatsuC223223
Sosuke SugayaC222222
Sumire HaraC213223
Taiga OkajimaC222222
Kotaro TakebayashiC114122
Hinata OkanoC232233
Taisei YoshidaC222222
Masayoshi KimuraC232232
Koki MimuraC123222
Aguri YukimuraD113114
KunudonD111113
Sakura KiyashikiD112112
Yuji NoritaD112112
Rikuto IkedaD122113
Ren SakakibaraD114113
Natsuhiko KoyamaD114112
Tomoya SeoD224222
MatsukataD113113
Teppei ArakiD114112
Kazutaka ShindoD232233
Chosuke TakadaD112111
Hiromi ShiotaD112112
Nobuta TanakaD112111

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