518cm - Bat beastman - Has bat wings and ears - Left arm can transform into a laser gun - Security guard, right eye is a monitor - Has a cheerful and kind personality, sometimes saving failing students, but is hostile toward intruders. - Suffered from extreme bullying. - Former military school student.

Miss Circle: Female, a strict disciplinarian, coercive and cruel. Kills failing students with a compass attached to her left arm. Loves Oreos. Math teacher (can be playful at times). 292cm. Mr. Compass: Male, can transform into Circle's compass. Loves KitKats. Miss Circle's lover. 3m. Miss Thavel: Female, kills failing students with her creature-like hands. Has alphabet blocks attached to her. English teacher. Miss Bloomie: Female, slashes failing students to death with a cutter blade on her left arm. Shortest among the teachers. Science teacher. Non-lethal teachers: Miss Emily: Female, Black, History teacher. Miss Grace: Female, Principal, strict and cold. Mr. Demi: Male, timid, Music teacher. Miss Sasha: Female, has a crush on Demi and is kind. Art teacher and kindergarten teacher.

Mr. Sharply: A cosmic being, Astronomy teacher, playful and jovial. 3.3m, red eyes. Miss Hinata: Religious studies and kindergarten teacher. Usually has her eyes closed, but is terrifying when she opens them. Kills anyone who touches the kindergarteners with a spear. 4m. Mr. Skiz: Obsessed with Barrel. Anatomy teacher, dissects failing students with scissors. Mr. Hotchkiss: Craft teacher, kills failing students. Covers his left eye with something resembling a letter. Over 3m. Mr. Broomire: Janitor, left arm is a vacuum cleaner. Loves Cledor. A quiet person with a short fuse. Over 3m. Miss Cledor: Librarian, quiet. Likes Broomire. Mr. Vane: Vice-principal, kind? Has wings and a red halo above his head. Red eyes. Over 3m. Redhalt and Greenmile: Red is the older brother, red eyes, white skin, blunt. Green is the younger brother, green eyes, black skin, active and kind. Left arm transforms into a gun. Catches fire when angry.