The Northern Illinois Conference (NIC-10) is a high school athletic conference consisting of nine high public schools and one Catholic school in Illinois' Boone, Stephenson, and Winnebago Counties. Member schools are also full members of the Illinois High School Association (IHSA), and are among the larger schools in that area, all competing in Class AA of IHSA competitions.
The Mid-Suburban League (MSL) is an Illinois High School Association recognized high school extra-curricular league which includes 12 schools located in the northwest suburbs of Chicago, Illinois. The conference is split up into two divisions for all interscholastic activities. The primary criteria for the separate divisions is geography, with the schools in the West Division being located west of IL Route 53 and the schools of the East Division being east of it. However, the schools of the western division are also larger than the schools of the eastern division.
The Western Big 6 Conference is a high school conference in western central Illinois. The conference participates in athletics and activities in the Illinois High School Association (IHSA). The conference comprises public high schools with large enrollments, as well a private school, in the Illinois Quad Cities, Galesburg, Illinois, and Quincy, Illinois.
The Three Rivers Conference, also known as the TRAC-8, is a high school conference in northwest Illinois. The conference participates in athletics and activities in the Illinois High School Association. The conference comprises small public, and two private, high schools with enrollments between 200-600 students in portions of Bureau, Henry, Lee, Rock Island, and Whiteside counties.
Prophetstown High School, or PHS, is a public four-year high school located at 310 West Riverside Drive in Prophetstown, Illinois, a small city of Whiteside County, Illinois, in the Midwestern United States. PHS is part of Prophetstown-Lyndon-Tampico Community Unit School District 3, which serves the communities of Prophetstown, Lyndon, Tampico, Deer Grove, and Yorktown, and includes PLT Middle School, Prophetstown Elementary School, and Tampico Elementary School. The campus is 15 miles southwest of Sterling, Illinois. The school serves a mixed small city, village, and rural residential community. The school lies within the Sterling micropolitan statistical area.
The Prairieland Conference is a high school conference in western central Illinois. The conference participates in athletics and activities in the Illinois High School Association. The conference comprises small public high schools with enrollments between 50-400 students in portions of Fulton, Knox, Mason, McDonough, Peoria, Schuyler, and Warren counties.
The West Central Conference is a high school conference in western central Illinois. The conference participates in athletics and activities in the Illinois High School Association. The conference comprises 11 small public high schools and 1 private high school with enrollments between 120-590 students in Adams, Hancock, McDonough, Pike, and Warren counties.
Astoria High School, or AHS, is a public four-year high school located at 402 North Jefferson Street in Astoria, Illinois, a village in Fulton County, Illinois, in the American Midwest. AHS is part of Astoria Community Unit School District 1, which serves the community of Astoria, and includes grades kindergarten through twelfth grade in one building. The campus is located 30 miles southwest of Canton, Illinois, and serves a mixed village and rural residential community. The school lies within the Canton micropolitan statistical area.
Stockton High School, or SHS, is a public four-year high school located at 540 North Rush Street in Stockton, Illinois, a village in Jo Daviess County, Illinois, in the Midwestern United States. SHS serves the community and surrounding areas of Stockton. The campus is located 42 miles southeast of Dubuque, Iowa and 51 miles west of Rockford, Illinois, and serves a mixed village and rural residential community.
The Northwest Upstate Illini Conference is a high school conference in northwest and north central Illinois. The conference participates in athletics and activities in the Illinois High School Association. The conference comprises 20 small public high schools and one small private school, with enrollments between 60-340 students in Carroll, Jo Daviess, Lee, Ogle, Stephenson, Whiteside, and Winnebago counties.
The Southwestern Conference is a high school conference in the St. Louis Metro East area. The conference participates in athletics and activities in the IHSA Illinois High School Association. The conference comprises large public high schools in the Metro East region of suburban St. Louis.
The Little Illini Conference is a high school athletic conference in East Central Illinois that is a member of the Illinois High School Association. A group of small schools near the Indiana border, Little Illini is known for its strong football squads, in particular Casey-Westfield, who has won one state football championship The conference has undergone significant rearrangement in the past decade with the addition of several larger schools from the Apollo Conference driving many smaller schools to other conferences.
The Little Ten Conference is the oldest continuous high school athletic conference in the state of Illinois. Founded in 1919, it comprised the following small high schools in northern Illinois: Earlville, Hinckley, Leland, Paw Paw, Plano, Rollo, Sandwich, Shabbona, Somonauk, and Waterman. The conference is still in operation and currently consists of the following members: DePue, Earlville, Hinckley-Big Rock, Indian Creek, Kirkland Hiawatha, LaMoille, Leland, Newark, Serena, Somonauk, and the Illinois Mathematics and Science Academy (IMSA). Over the years, there have been a number of other area schools in the conference, including Malta.
The National Trail Conference (NTC) is a historic high school conference in east central Illinois. The conference participates in athletics and activities in the Illinois High School Association (IHSA). The conference comprises eleven public high schools and one private high school with small enrollments in portions of Effingham, Fayette, Shelby, Cumberland and Clay counties.
Pecatonica High School, affectionately known as "Pec", is located in the town of Pecatonica, Illinois. The campus is located 15 miles west of Rockford and 15 miles east of Freeport. It is located just one mile north of U.S. Route 20, a major East-West highway connected to Interstate 90. The Pecatonica Community School District ranks as the sixth largest in Winnebago County. Only the districts of Rockford, Rockton Hononegah, Machesney Park Harlem, Winnebago and South Beloit are larger.
The Upstate Illini Conference (UIC) was a high school conference in northwest and north central Illinois. The conference participated in athletics and activities in the Illinois High School Association. The conference included small public and private high schools with enrollments between 75-1,000 students in Bureau, Boone, Carroll, DeKalb, Jo Daviess, Kane, Lee, McHenry, Ogle, Stephenson and Winnebago counties.
The Northwest 8 Conference was a high school conference in northwest and north central Illinois. The conference participated in athletics and activities in the Illinois High School Association. The conference included small public high schools with enrollments between 75-600 students in Boone, Carroll, DeKalb, Jo Daviess, Lee, Ogle, Stephenson, and Winnebago counties.
The Four Rivers Conference was a high school conference in north central Illinois. The conference participated in athletics and activities in the Illinois High School Association. The conference included small public high schools with enrollments between 150-550 students in Boone, DeKalb, Lee and Winnebago counties. The conference was named for the 4 rivers that ran through its geographic area, the Rock River, Pecatonica River, Kishwaukee River and Sugar River.
The Private School League was a high school conference in northeastern Illinois. The conference participated in athletics and activities in the Illinois High School Association. The conference comprised 28 small private schools, with enrollments between 50 and 400 students, in Bureau, DuPage, Kane, Lake, LaSalle, McHenry, Will, and Winnebago counties.
The SHARK Conference was a high school conference in north central Illinois and south central Wisconsin. The conference participated in athletics and activities in the Illinois High School Association (IHSA) and the Wisconsin Interscholastic Athletic Association (WIAA). The conference included private and public high schools with enrollments between 75-2,000 students in Boone, DeKalb, Lee, McHenry, Stephenson and Winnebago counties in Illinois and Rock in Wisconsin.
