The Thornton-Donovan School (TD) was founded as the New Rochelle School and Kindergarten in New Rochelle, New York. It was founded by Judge Martin Jerome Keogh in 1901. The first teacher and headmistress was Miss Emily Scott Thornton, a Philadelphia native educated at University College Nottingham, now the University of Nottingham. The current headmaster as of 2009 is Mr. Douglas E.