The Cahokia Conference is a high school athletic and competitive activity organization which currently consists of 18 schools in southwestern Illinois, near St. Louis. All of the schools are located in Clinton, Madison, Marion, Monroe, Randolph, St. Clair, and Washington counties. The conference began in 1928.
Assumption High School (AHS) is a Roman Catholic high school in the Roman Catholic Diocese of Davenport in the U.S. state of Iowa. Bridget Murphy is the current principal of Assumption High.
Hoosier Heritage Conference is an athletic and extra/co-curricular activity conference of Indiana high schools. The conference formed in 1993. It is formed of Madison, Hancock, Henry, Shelby, and Delaware Counties.
The Mid-Eastern Conference is an IHSAA-sanctioned conference in East Central Indiana. The conference formed in 1963 as schools from Delaware, Henry, and Randolph counties banded together with impending consolidations making their conference situations unstable. The conference has never been stable for long, varying between six and eight members between 1963 and 1977, and having as many as ten members since. While schools from Hancock, Madison and Wayne counties have participated, the conference has generally stayed within its original footprint. The league once again grew to ten members as Eastern Hancock and Shenandoah joined.
The Northern Indiana Conference (NIC) is a high school athletic conference that was founded in 1927 and spanned from as far west as Hammond and Gary to South Bend/Mishawaka and Elkhart to the east and south to Plymouth. Since its start in 1927, a total of 32 separate schools have at one time called the NIC home. From its inception until 1963, the conference had been divided into East and West divisions. The West Division left to form the Northwestern Conference in 1963. With membership dwindling to 7 members by the 1970s, the conference added former members of the Northern Indiana Valley Conference to its ranks. Currently, every former NIVC member is now a part of the NIC except for South Bend Jackson, which closed in 1973, and South Bend LaSalle, which joined the NIC in 1977, but closed in 2001.
Celina High School is a public high school located in Celina, Texas, United States. It is part of the Celina Independent School District located in northwestern Collin County and classified as a 4A school by the UIL. In 2015, the school was rated "Met Standard" by the Texas Education Agency.
The Duneland Athletic Conference (DAC) is a high school athletic conference in Indiana serving eight members of the Indiana High School Athletic Association. Member schools are located in the counties of Lake, LaPorte, and Porter along Indiana's Lake Michigan shore. Each school is classified based on enrollment as 6A or 5A for football and 4A for basketball, the classes for the largest schools in Indiana. The Duneland Conference is also known for its gymnastics programs which have won a combined total of 35 state championship and state runner-up titles.
Vernon High School is a 3A high school located in Vernon, Texas, United States. It is part of the Vernon Independent School District located in south central Wilbarger County. In 2013, the school was rated "Met Standard" by the Texas Education Agency.
The Northern Lakes Conference of Indiana (NLC) is an IHSAA-sanctioned athletic conference of high schools located within Elkhart, Kosciusko, Marshall and St. Joseph counties in northern Indiana, United States.
The Summit Athletic Conference, or SAC, is a high school athletic conference consisting of ten high schools located in Fort Wayne, Indiana. Three of the schools are private; one being a Lutheran academy, and the other two being Catholic preparatories. The rest are public schools, being part of Fort Wayne Community Schools. Two limited members are part of Northwest Allen County Schools and Southwest Allen County Schools.
The Hoosier Athletic Conference is a ten-member IHSAA-Sanctioned conference located within Benton, Cass, Hamilton, Howard, Jasper, Tippecanoe, Tipton and White counties. The conference first began in 1947, and has been in constant competition except for the 1997–98 school year, when membership dropped to three schools. The conference added four schools from the folding Mid-Indiana Conference in 2015. Lewis Cass exited the conference in 2023 and Logansport was added as the replacement starting in 2024.
The Hoosier Hills Conference is a seven-member, IHSAA-sanctioned athletic conference comprising large 4A and 5A (football)-sized schools in Bartholomew, Clark, Floyd, Jackson, Jennings, and Lawrence in South Central and Southeast Indiana. Madison departed the conference in 2021, thereby reducing its size to seven member schools.
The North Central Conference is an IHSAA-sanctioned athletic conference consisting of ten large high schools in Cass, Delaware, Grant, Howard, Madison, Marion, Tippecanoe, and Wayne Counties across Central and North Central Indiana. Most of these schools are in 35,000+ population towns like Anderson, Marion, Kokomo, Lafayette, Muncie, and Richmond. Several of the nation's largest gymnasiums belong to members of this conference.
The Northwest Crossroads Conference is a seven-member IHSAA-sanctioned athletic conference. Six of the seven institutions are in Lake County, while the sixth, Kankakee Valley, is in neighboring Jasper County. This conference was created in 2007, following the disbandment of the Lake Athletic Conference. Griffith left the conference after the 2016–17 school year to join the Greater South Shore Athletic Conference (IHSAA).
The Big Eight Conference is an athletic conference comprising medium-size high schools located in the Ozarks of southwest Missouri. The conference members are based around the Joplin and Springfield areas and are located in the counties of Barry, Barton, Greene, Lawrence, McDonald, Newton, Stone, Taney, Vernon, and Webster
Salado High School is a public high school located in Salado, Texas (USA) and classified as a 4A school by the UIL. It is part of the Salado Independent School District located in southern Bell County. In 2015, the school was rated "Met Standard" by the Texas Education Agency.
Decatur High School is a public high school located in Decatur, Texas. It is part of the Decatur Independent School District located in central Wise County and classified as a 4A school by the UIL. In 2015, the school was rated "Met Standard" by the Texas Education Agency.
Argyle High School is a public high school located in the city of Flower Mound, Texas. The high school opened up in 2002 and is now classified as a 5A school by the UIL. It is a part of the Argyle Independent School District located in south central Denton County. In 2016, the school was rated "Met Standard" by the Texas Education Agency.
