Miss Circle has very long spiky hair with black horns, one of which has two white lines on it, as does the bottom of her hair. She lacks a neck, like tree of the other teachers and students. She dons a black button-up shirt with a white collar and white pants rolled up to the knee. She also sports tall black combat boots. Instead of a hand, she has a drawing giant compass extending from her left forearm. The point of the compass is retractable and has been used against students who have failed.