It is overseen by the New York State Association of Independent Schools.
The Association conducts championships in various sports each year, some of which serve as qualifiers for overall state championships conducted with public and catholic schools.
As of July 1, 2015, the following schools were members in good standing.
All schools are located in the New York City borough of Manhattan unless otherwise noted.
[1] NYSAISAA offers championship competition in the following sports:[2] Fall: Winter: Spring: Results through Winter 2020.