Margaret Isabel Carman was an American teacher and historian, best known for her contributions to the preservation and dissemination of the history of Flushing, New York. Born into a prominent family with a rich history, Carman spent her entire career teaching at Flushing High School, the oldest public secondary school in New York City, where she inspired generations of students to take an interest in history and become active citizens.

Flushing High School is a four-year public high school in Flushing, in the New York City borough of Queens. The school is operated by the New York City Department of Education.