All 3 of these teachers are extremely sadistic and kill failing students and get great joy out of it they are psychopaths miss circle is the tallest and the math teacher, miss Thavel is mid height and the language teacher and miss Bloomie is the shortest and the science teacher, miss circle has a geometry compass for an arm, miss Thavel has claws and miss Bloomie has a blade an an arm they are insane and kill students who fail their tests and only those students