Miss Minchin is a character from the children's novel "A Little Princess" written by Frances Hodgson Burnett. She is the headmistress of a girls' school in London, known for her strict and often cruel demeanor. Miss Minchin is primarily concerned with maintaining her authority and the school's reputation, often treating her students harshly, especially those who are less fortunate. In the story, Miss Minchin's treatment of Sara Crewe, the protagonist, changes dramatically when Sara's father dies and she loses her wealth. This shift highlights Miss Minchin's selfishness and lack of compassion, as she revels in Sara's misfortune, showcasing her character as an antagonist in the narrative.