Miss Potts (or “Potty” as students call her) is the form mistress of the First Form and head of the North Tower. Miss Grayling has great trust in her. She is sharp-witted and strict. Miss Potts shares a study with Mam'zelle Dupont, one of the French mistresses. Miss Potts is used to Mam'zelle's peculiar ways. All the students have great respect for Miss Potts, and look up to her. She is very strict and sour. She is respected.