Independent School League or ISL may refer to: * Independent School League (Illinois), a group of nine Chicago-area preparatory schools *

Independent School League (New England) The Independent School League (ISL) is composed of sixteen New England preparatory schools that compete athletically and academically. Founded in 1948, the ISL's sixteen members compete in eighteen sports in the New England Prep School Athletic ...

, a group of 16 New England preparatory schools *

Independent School League (Washington, D.C. area) The Independent School League or ISL is a group of seventeen University-preparatory school, preparatory schools located in the Washington metropolitan area of the United States that compete with each other athletically. All competitors in the ISL ...

, a group of 17 Washington, D.C. preparatory schools *

Interscholastic League of Honolulu The Interscholastic League of Honolulu (ILH) is an athletic activity league whose membership is primarily private secondary schools in Honolulu, Hawai'i. The ILH has 24 member schools with over 13,000 student athletes participating in 37 differen ...

, a group of Hawaiian private schools

See also