Oh ho~?

Mr. Eclipse: Wears Anubis-style ornaments; he's a cheerful Disco Dance teacher. A shadow person like Sciz; Sciz once ripped his heart out. He is on bad terms with Hinata.

Mr. Foxtrot: Has an 'X' for a left eye; when angry, it tears open to reveal a black sclera and red pupil. A cheerful, 4m tall dance teacher with flexible joints. He snaps the bones of failing students.

Mr. Strontium: Wears a black gas mask and has long black hair. Quiet, polite, and serves as Bloomie's assistant. A dragon-kin who lost his left eye and most of his power. His real name is Benedict. He doesn't really kill students. He uses a pseudonym to hide from his father. 253cm.

Mr. Hotchkiss: Crafts teacher; his left eye is a letter and his left arm is a stapler. He kills failing students and has long black hair. 3m.

Mr. Brumeyer: Janitor; he hates his job and kills students who litter. His left arm is a vacuum cleaner. He likes Cledor and has a short temper. 3m.

Mr. Tron: A cute robot whose core is a blue slime; he is the Mechanical Engineering teacher.

Mr. Demi: Has a crush on Sasha; a timid Music teacher. 180cm.

Mr. Sciz: Anatomy teacher who carries large scissors. He is obsessed with Barrel and is a bit of a psycho. 2m.

Mr. Vane: Has a red halo and a pair of wings, looking like a mix of a demon and an angel. He is the Vice Principal and, unlike the Principal, is kind and polite. 281cm.

Mr. Eugene: PE teacher with a seemingly kind personality. He doesn't appear to kill students. His left arm is a golf club.

Miss Elvara: School nurse with red eyes and a calm personality. She is skilled enough to revive dead students. 170cm.

Miss Ashatchu: School cafe owner; kind and energetic. She can make 12 types of drinks, including Americanos. 170cm.

Miss Bloomie: Has a box cutter fused to her left arm. She has black hair and is the shortest among the teachers. Science teacher. 168cm. She stabs failing students to death.

Miss Thavel: Language teacher with creature-like hands. She has three alphabet blocks on her head and deer antlers. Playful. She tears failing students apart. 251cm.

Miss Bogurs: Electric eel-kin. Swimming teacher with sharp blue eyes and a red safety helmet. Very irritable. 330cm.

Miss Sasha: Her left eye is a green book. She is an Art teacher and a kindergarten teacher. A kind teacher who doesn't kill students. 169cm.

Miss Hinata: Religion and kindergarten teacher. At 4m, she is the tallest female teacher. Usually has her eyes closed; they say she is scariest when she opens them. She carries sun ornaments and a spear, using them to stab anyone who messes with the kindergarteners or fails.

Miss Cledor: Librarian. Quiet, with a key for a left arm and a lock for a left eye. Kills students who talk. She likes Brumeyer. 2m.

Miss Emily: History teacher. The only Black teacher; she seems to have a cheerful personality.

298cm, compass fused to her left arm, Math teacher.

One of the top three teachers (alongside Thavel and Bloomie). She loves Oreos. She kills failing students with her compass. She has a playful side and is in a relationship with Compass.

A compass with blue eyes that can transform into a human. He loves KitKats and has blue eyes. His appearance is similar to Circle's, like a sibling, but with shorter hair.

Bat-kin, security guard, 518cm.

He speaks politely and is kind yet timid. He has bat wings and ears, and his left eye is a monitor that displays emotions through emoticons. He can fuse a gun barrel to his left arm. He is in a same-sex marriage with Hotchkiss.

He is on the students' side and likes s'mores. However, he becomes monstrously cruel toward intruders. He has long white hair tied back and a long black tail.

Female, approximately 189cm.

Her left eye has a white diamond embedded in it, and 'x' and 'ㅍ' are written under her right eye. She has long white hair that reveals a beautiful galaxy inside. She wears a black long-sleeved shirt with a gray jacket. A moon pattern is on the left side of her hair, and a sun pattern is on the right. She is an acquaintance of Guest. She has a calm and charismatic personality.

Principal, 189cm.

Calm with two horns, though one is broken. She is a caffeine addict. While she is overbearing, she completely ignores the murders committed by the teachers. She isn't a monster, but the teachers cannot touch her.