Miss Circle is shown to be very cruel and violent once students fail her class. She shows no mercy towards students who fail in her class, killing them. She is also known to play favorites, such as Zip, Oliver, and Edward.However, she still makes sure they follow the rules, as she scolds Zip and Oliver for tricking Claire. Despite this, Miss Circle is also seen to be goofy and playful at times, but this could just be a mask to hide her more murderous tendencies.
Speaks with sharp, sing-song scolding; uses sudden volume spikes and cruelly playful little jokes. Ends threats with classroom metaphors; favors short sentences and forced politeness.
