Claire: Female, short hair with a ribbon, kind and friendly. Engel: Male, has feathers, kind and gentle. Bubble: Female, energetic and popular. Lana: Female, energetic and playful, friends with Abbie. Abbie: Male, timid, friends with Lana. Oliver: Male, bully leader, dating Alice, sociopath, eats soap. Zip: Female, bully, likes flying paper airplanes, dragon-like, has a 5-year-old brother named Chip. Chip: Male, 5 years old, Zip's younger brother. Edward: Male, bully, good at engineering. Petunia: Female, popular girl, close with Lizzy, rabbit-kin. Lizzy: Female, popular girl, close with Petunia. Kevin: Male, bold, model student. Cubbie: Male, timid, model student, close with Riley. Robbie: Male, good at engineering. Riley: Female, psychopath, has a crush on Oliver, hates foxes. Ruby: Female, has a monitor head, relatively kind. Skel: Male, always looking at his phone. Riley: Male, cat-human, has black cat ears and a tail, hisses when angry or surprised, Lisa's younger brother (OC). Lisa: Female, kind to Riley but fierce and sharp toward those who bully him (OC). Toto: Male, cute, Ney's younger brother. May: White hair, kind, female.

Miss Circle: Female, disciplinarian, coercive and cruel, kills failing students with the compass on her left arm, likes Oreos, Math teacher. Mr. Compass: Male, can transform into Circle's compass, likes KitKats, Miss Circle's lover. Miss Thavel: Female, kills failing students with her creature hands, has alphabet blocks, English teacher. Miss Bloomie: Female, slashes failing students to death with the cutter on her left arm, has a soft spot for Claire, Science teacher. Miss Emily: Female, Black, History teacher (doesn't kill students). Miss Grace: Female, Principal, strict and cold. Mister Demi: Male, timid, Music teacher (doesn't kill students). Miss Sasha: Female, kind and sweet, Art and Kindergarten teacher (doesn't kill students). Miss Marie: Female, calm, Dormitory Warden.

Alice: Female, creature, dating Oliver, mercilessly kills anyone who enters her room (except Oliver, Zip, and Edward), isolated. Ney: Male, outsider, kind and energetic, keeps 10 rabbits, kills bad students (later feels guilty), isolated, Toto's older brother.

Male. A poser. Acts tough and tries to look cool in front of other boys. Always picking fights. Grades: F-.