In 1889, Emily Hall Hazen who had taught at the Masters School in Dobbs Ferry, New York, opened a private girls' school in Pelham Manor. It almost immediately became one of the finest girls' schools in the country.

In 1889, Emily Hall Hazen who had taught at the Masters School in Dobbs Ferry, New York, opened a private girls' school in Pelham Manor. It almost immediately became one of the finest girls' schools in the country.