The North Iowa Cedar League (NICL) is a high school athletic conference made up of 15 high schools in north central Iowa. Most of the schools compete as 2A schools, (the second-smallest classification), With the exception of South Tama, which is 3A.
As of the late 1990s, the conference was a 17 team league. In 1998, Wapsie Valley High School joined the conference. That same year, Ackley-Geneva and Wellsburg-Steamboat Rock merged districts to become AGWSR. The next membership change came in 2002 when Green Mountain-Garwin (GMG) departed for the [[Iowa Star Conference. The next year, North Tama left for the Iowa Star Conference. In 2007, Eldora-New Providence and Hubbard-Radcliffe joined districts to become South Hardin High School. For the 2008 year, West Marshall was added to the conference, making it a 15-team league. In 2011, South Tama joined after leaving the Little Hawkeye Conference and started in the West Division. It became the 16th member of the conference.