The following is a list of school districts in Illinois. As of July 1, 2023^[update], there were 852 public school districts, including 368 elementary districts, 97 high school districts, 386 unit districts, and one Illinois Department of Juvenile Justice district, and two cooperative high schools.^[1]

These districts are organized by regions set by the Illinois State Board of Education and not by the actual county boundaries; school districts can cross county boundaries, and school districts with administrative headquarters and/or schools only in certain counties can include territory in one or more other counties that do not have schools operated by that district.

• Brown County Community Unit School District 1

• Jasper County Community Unit School District 1

• Richland County Community Unit School District 1 — formerly East Richland Community Unit School District 1

• City of Chicago School District 299

• Edwards County Community Unit School District 1

• Gallatin Community Unit School District 7

• Hamilton County Community Unit School District 10

• Hardin County Community Unit School District 1

• Pope County Community Unit School District 1^[6]

• Schuyler-Industry Community Unit School District 5

• West Central Community Unit School District 235

• Mercer County School District 404

• Putnam County Community Unit School District 535

• Jersey Community Unit School District 100

• Illinois Department of Juvenile Justice: School District 428^[14]

• Region 02: Alexander/Johnson/Massac/Pulaski/Union ROE — became part of Region 21: Franklin/Williamson ROE for Johnson and Massac counties and Region 30: Jackson/Perry ROE for Alexander, Pulaski and Union counties in 2015, which were renamed Region 21: Franklin/Johnson/Massac/Williamson ROE and Region 30: Alexander/Jackson/Perry/Pulaski/Union ROE, respectively
• Region 10: Christian/Montgomery ROE — became part of Region 03: Bond/Effingham/Fayette ROE in 2015, which was renamed Region 03: Bond/Christian/Effingham/Fayette/Montgomery ROE
• Region 14: Suburban Cook ROE — split into Region 05: North Cook ISC 1, Region 06: West Cook ISC 2 and Region 07: South Cook ISC 4 in 2010
• Region 22: Fulton/Schuyler ROE — became part of Region 26: Hancock/McDonough ROE in 2015, which was renamed Region 26: Fulton/Hancock/McDonough/Schulery ROE
• Region 25: Hamilton/Jefferson ROE — became part of Region 13: Clinton/Marion/Washington ROE for Jefferson County and Region 20: Edwards/Gallatin/Hardin/Pope/Saline/Wabash/Wayne/White ROE for Hamilton County in 2015, which were renamed Region 13: Clinton/Jefferson/Marion/Washington ROE and Region 20: Edwards/Gallatin/Hamilton/Hardin/Pope/Saline/Wabash/Wayne/White ROE, respectively
• Region 27: Henderson/Mercer/Warren ROE — became part of Region 33: Knox ROE in 2015, which was renamed Region 33: Henderson/Knox/Mercer/Warren ROE
• Region 38: Logan/Mason/Menard ROE — became part of Region 17: Dewitt/Livingston/McLean ROE for Logan County, Region 51: Sangamon ROE for Menard County and Region 53: Tazewell ROE for Mason County in 2015, which were renamed Region 17: Dewitt/Livingston/Logan/McLean ROE, Region 51: Menard/Sangamon ROE and Region 53: Mason/Tazewell ROE, respectively
• Region 43: Marshall/Putnam/Woodford ROE — became part of Region 35: LaSalle ROE for Marshall and Putnam Counties and Region 53: Tazewell ROE for Woodford County in 2015, which were renamed Region 35: LaSalle/Marshall/Putnam ROE and Region 53: Tazewell/Woodford ROE, respectively
• Region 46: Brown/Cass/Morgan/Scott ROE — became part of Region 01: Adams/Pike ROE in 2015, which was renamed Region 01: Adams/PikeBrown/Cass/Morgan/Scott ROE
• Region 55: Whiteside ROE — became part of Region 47: Lee/Ogle ROE in 2015, which was renamed Region 47: Lee/Ogle/Whiteside ROE

^[15]

• Lemont Community Consolidated School District 113 — consolidated with Bromberek School District 65 to form Lemont-Bromberek Combined School District 113A in 1990^[16]

• LaGrove Community Unit School District 206 — consolidated with Kinmundy Alma Community Unit School District 301 to form South Central Community Unit School District 401 in 1989^[16]

• Atkinson Community Unit School District 233 — annexed into Geneseo Community Unit School District 228 in 1988^[24]

• R.U.C.E. Community Unit School District 3 (Reddick, Union Hill, Campus, and Essex) — annexed into Herscher Community Unit School District 2 in 1988^[24]

• Nelson Public School District 8 — consolidated with East Coloma School District 12 to form East Coloma-Nelson Consolidated Elementary School District 20 in 2013^[20]

• Witt Community Unit School District 66 — annexed into Hillsboro Community Unit School District 3 in 1997^[19]

• Bellevue Elementary School District 152 — annexed into Norwood Elementary School District 63 in 1990^[16]

• Atwood Hammond Community Unit School District 39 — annexed into Arthur Community Unit School District 305 in 2014^[20]

• Senachwine Community School District 534 — consolidated with Henry-Senachwine Community School District 20 and Henry Community Consolidated School District 35 to form Henry-Senachwine Community Unit School District 5 in 1989^[24]

• Kaskaskia Community School District 124 — annexed into Chester Community Unit School District 139 in 1989^[16]

• West Richland Community Unit School District 2 — annexed (dissolved) into East Richland Community Unit School District 1 in 2014, which was renamed Richland County Community Unit School District 1^[20]

• Schuyler County Community Unit School District 1 — consolidated with Industry Community Unit School District 165 to form Schuyler-Industry Community Unit School District 5 in 2005^[13]

• Hoyleton Consolidated School District 29 — annexed (dissolved) into Nashville CCSD 49 in 2015^[17]

• El Paso Community Unit School District 375 — consolidated with Gridley Community Unit School District 10 to form El Paso-Gridley Community Unit School District 11 in 2004^[10]

• Illinois Community College System — includes information on community college districts (formerly known as junior college districts)

• "School District Financial Score Adjusted by County" (PDF). Illinois State Board of Education. March 2018. Retrieved August 16, 2018.
• "School District Reorganizations 1983-84 to 2023-24" (PDF). Illinois State Board of Education. July 2023. Retrieved February 8, 2024.
• "Public School District Lookup". Illinois State Board of Education. Retrieved September 25, 2021.

• Illinois School Directories at Illinois State Board of Education
• Interactive Illinois Report Card
• Schools and Colleges Search at National Center for Education Statistics

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