The Southern Illinois River-to-River Conference (SIRR) is a high school

High school

High school is a term used in parts of the English speaking world to describe institutions which provide all or part of secondary education. The term is often incorporated into the name of such institutions....

 athletic conference

Athletic conference

An athletic conference is a collection of sports teams, playing competitively against each other at the professional, collegiate, or high school level. In many cases conferences are subdivided into smaller and smaller divisions, with the best teams competing at successively higher levels...

 represented by 12 schools in southern Illinois. The conference is divided into two divisions. While technically in the same conference each division crowns its own champion, and each winner is regarded as the conference champion as if they were in two separate conferences. Schools are only required to play other schools within their own division although cross-divisional play is very common.

History

At the start of the 2010-2011 school year Carterville left the Black Diamond Conference to join the Southern Illinois River-to-River Conference. Chester High School has taken their place in the Black Diamond Conference.

Current Members

School	Location (Population)	Nickname(s)	Colors	Years Member	Enrollment (2010/11)	IHSA Class (2010/11) 2, 3, 4	Previous Conference
Mississippi Division (Small Schools)
Anna-Jonesboro Community High School	Anna, Illinois Anna, Illinois Anna is a city in Union County, Illinois, United States. Located in Southern Illinois, the population was 5,136 at the 2000 census. The city is known for being tied to its close neighbor Jonesboro, together known as Anna-Jonesboro. Anna is well renowned for the Anna State Mental Hospital or the... (5,136)	Wildcats Lady Wildcats	Royal Blue White	1993 - Present	543	A, 1A, 2A	Southwest Egyptian Conference
Carterville High School Carterville High School Carterville High School is a public high school in Carterville, Illinois, United States.- History :Carterville High School is part of the Carterville Community Unit #5 School District in Illinois. It has an enrollment of approximately 550 students, but is continuing to grow every year...	Carterville, Illinois Carterville, Illinois Carterville is a city in Williamson County, Illinois, in the United States, and is geographically situated between Carbondale, Illinois and Marion, Illinois. The city is located next to Crab Orchard National Wildlife Refuge. The Refuge's of land and water contain a wide diversity of flora and... (4,616)	Lions Lady Lions	Navy Blue Orange	2010 - Present	496	A, 1A, 2A	Black Diamond Conference Black Diamond Conference The Black Diamond Athletic Conference is a high school athletic conference represented by 13 schools in the southern portion of Illinois. The conference currently offers championships for girls in Basketball, Cross Country, Golf, Softball, Track & Field, and Volleyball...
Du Quoin High School	Du Quoin, Illinois Du Quoin, Illinois Du Quoin is a city in Perry County, Illinois, United States. The population was 6,448 at the 2000 census.-Geography:Du Quoin is located at .... (6,448)	Indians Lady Indians	Red Black	1993 - Present	464	A, 1A, 2A	Southwest Egyptian Conference
Nashville Community High School	Nashville, Illinois Nashville, Illinois Nashville is a city in Washington County, Illinois, in the United States. As of the 2010 census, the city population was 3,258. It is the county seat of Washington County.-Geography:Nashville is located at .... (3,147)	Hornets Hornettes	Royal Blue White Red	1993 - Present	514	A, 1A, 2A	Southwest Egyptian Conference
Pinckneyville Community High School Pinckneyville Community High School Pinckneyville Community High School is a public high school in Pinckneyville, Illinois. It is located in Perry County Illinois.-Academics:PCHS requires students to obtain a minimum of 32 credit hours in order to graduate...	Pinckneyville, Illinois Pinckneyville, Illinois Pinckneyville is a city in Perry County, Illinois, United States. The population was 5,464 at the 2000 census. It is the county seat of Perry County... (5,464)	Panthers Lady Panthers	Columbia Blue Navy Blue	1993 - Present	465	A, 1A, 2A	Southwest Egyptian Conference
Sparta High School	Sparta, Illinois Sparta, Illinois Sparta is a city in Randolph County, Illinois, United States. The population was 4,486 at the 2000 census.The city was the principal filming location for the 1967 film In the Heat of the Night.-Geography:Sparta is located at .... (4,486)	Bulldogs Lady Bulldogs	Royal Blue White	1993 - Present	428	A, 1A, 2A	Southwest Egyptian Conference
Ohio Division (Large Schools)
Benton Consolidated High School	Benton, Illinois Benton, Illinois Benton is a city in Franklin County, Illinois, United States. The population was 7,087 at the 2010 census. It is the county seat of Franklin County. The city is part of the Metro Lakeland area.- History :... (7,087)	Rangers Rangerettes	Maroon White	1993 - Present	564	A, 1A, 2A	South Seven Conference South Seven Conference The South Seven Conference is a high school athletic conference represented by 6 schools in the southern Illinois.-Current Members:- Former members of the South Seven Conference:- References :...
Frankfort Community High School Frankfort Community High School Frankfort Community High School is a public high school located in West Frankfort, Illinois. The campus is located in a city setting on West Frankfort's east side...	West Frankfort, Illinois West Frankfort, Illinois West Frankfort is a city in Franklin County, Illinois, USA. The population was 8,182 at the 2010 census. The city is part of the Metro Lakeland area.-History:... (8,182)	Redbirds Lady Redbirds	Scarlet Gray	1993 - Present	568	A, 1A, 2A	South Seven Conference South Seven Conference The South Seven Conference is a high school athletic conference represented by 6 schools in the southern Illinois.-Current Members:- Former members of the South Seven Conference:- References :...
Harrisburg High School	Harrisburg, Illinois Harrisburg, Illinois Harrisburg is a city and township in Saline County, Illinois, United States. It is located about southwest of Evansville, Indiana, southeast of St. Louis, Missouri. The 2010 population was 9,017, with a township population of 10,790. It is the county seat of Saline County... (9,017)	Bulldogs Lady Bulldogs	Purple White	1993 - Present	608	A, 1A, 2A	South Seven Conference South Seven Conference The South Seven Conference is a high school athletic conference represented by 6 schools in the southern Illinois.-Current Members:- Former members of the South Seven Conference:- References :...
Herrin High School Herrin High School Herrin High School is a secondary school located in Herrin, Illinois. It has an enrollment of about 735 students.It is one of the only high schools in the U.S. that has its own bank, The First Tiger Trust.-Athletics:...	Herrin, Illinois Herrin, Illinois Herrin is a city in Williamson County, Illinois, United States. The population was 12,501 at the 2010 census. It is home to Country Musicstar David Lee Murphy, the hometown of baseball's Cleveland shortstop Ray Chapman, and the hometown of San Diego State University men's basketball coach Steve... (12,501)	Tigers	Orange Black	1993 - Present	721	A, 1A, 2A	South Seven Conference South Seven Conference The South Seven Conference is a high school athletic conference represented by 6 schools in the southern Illinois.-Current Members:- Former members of the South Seven Conference:- References :...
Massac County High School	Metropolis, Illinois Metropolis, Illinois Metropolis is a city located along the Ohio River in Massac County, Illinois, in the United States. As of the 2000 census, the city population was 6,482... (6,537)	Patriots Lady Patriots	Red White Blue	1993 - Present	634	A, 1A, 2A	Independent
Murphysboro High School	Murphysboro, Illinois Murphysboro, Illinois Murphysboro is a city in and the county seat of Jackson County, Illinois, United States. The population was 7,970 at the 2010 census. The city is part of the Metro Lakeland area.-Geography:Murphysboro is located at .... (7,970)	Red Devils	Crimson Corn	1993 - Present	680	A, 1A, 2A	Southwest Egyptian Conference

Former Members

School	Location	Nickname(s)	Colors	Years Member	Current Conference
Chester High School Chester High School (Chester, Illinois) Chester High School is a public high school in Chester, Illinois, United States.- References :Chester High School Summit Yearbook 2009www.chester139.com/chs- Dance and Drill :...	Chester, Illinois Chester, Illinois Chester is a city located on the bluffs of the Mississippi River Valley in Randolph County, Illinois, United States. The population was 8,400 at the 2000 census. It is the county seat of Randolph County and is located south of St. Louis, Missouri.-History:...	Yellow Jackets Lady Yellow Jackets	Orange Black	1993-2010	Black Diamond Conference Black Diamond Conference The Black Diamond Athletic Conference is a high school athletic conference represented by 13 schools in the southern portion of Illinois. The conference currently offers championships for girls in Basketball, Cross Country, Golf, Softball, Track & Field, and Volleyball...