Independent Schools Athletic League

The Independent Schools Athletic League (ISAL) is a sports league for independent high schools in New York state.

Member schools
All schools are within the New York City borough of Manhattan unless otherwise noted.
 * Bay Ridge Preparatory School in Bay Ridge, Brooklyn
 * Birch Wathen Lenox School
 * Brooklyn Friends School in Downtown Brooklyn
 * Browning School
 * Calhoun School
 * Churchill School and Center
 * Columbia Grammar and Preparatory School
 * Dwight School
 * French-American School of New York in Scarsdale, Larchmont, and Mamaroneck, New York
 * Garden School in Jackson Heights, Queens
 * Little Red School House and Elisabeth Irwin High School
 * Loyola School
 * Lycée Français de New York
 * Rudolf Steiner School
 * St. Hilda's & St. Hughes
 * Trevor Day School
 * United Nations International School
 * Winston Preparatory School (Manhattan campus)
 * York Preparatory School

Associate Members

 * Staten Island Academy in Staten Island, New York
 * Winston Preparatory School (Norwalk, Connecticut campus)