The following is a list of school districts in Illinois. , 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.
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.
Region 01: Adams/Brown/Cass/Morgan/Pike/Scott ROE
Adams County
Payson Community Unit School District 1
Liberty Community Unit School District 2
Central Community Unit School District 3
Mendon Community Unit School District 4
Quincy Public School District 172
Quincy Area Vocational Technical Center
Brown County
Brown County Community Unit School District 1
Cass County
Beardstown Community Unit School District 15
Virginia Community Unit School District 64
A-C Central Community Unit School District 262 (Ashland-Chandlerville)
Morgan County
Franklin Community Unit School District 1
Waverly Community Unit School District 6
Meredosia-Chambersburg Community Unit School District 11
Triopia Community Unit School District 27
Jacksonville School District 117
Pike County
Pleasant Hill Community Unit School District 3
Griggsville-Perry Community Unit School District 4
Pikeland Community Unit School District 10
Western Community Unit School District 12
Scott County
Winchester Community Unit School District 1
Scott-Morgan Community Unit School District 2
Region 03: Bond/Christian/Effingham/Fayette/Montgomery ROE
Bond County
Mulberry Grove Community Unit School District 1
Bond County Community Unit School District 2
Christian County
Morrisonville Community Unit School District 1
Taylorville Community Unit School District 3
Edinburg Community Unit School District 4
Pana Community Unit School District 8
South Fork School District 14
Effingham County
Altamont Community Unit School District 10
Beecher City Community Unit School District 20
Dieterich Community Unit School District 30
Effingham Community Unit School District 40
Teutopolis Community Unit School District 50
Fayette County
Brownstown Community Unit School District 201
Saint Elmo Community Unit School District 202
Vandalia Community Unit School District 203
Ramsey Community Unit School District 204
Montgomery County
Panhandle Community Unit School District 2
Hillsboro Community Unit School District 3
Litchfield Community Unit School District 12
Nokomis Community Unit School District 22
Region 04: Boone/Winnebago ROE
Boone County
Belvidere Community Unit School District 100
North Boone Community Unit School District 200
Boone County Special Education Cooperative
Winnebago County
Harlem School District 122
Kinnikinnick Community Consolidated School District 131
Prairie Hill Community Consolidated School District 133
Shirland Community Consolidated School District 134
Rockton School District 140
Rockford Public School District 205
Hononegah Community High School District 207
South Beloit Community Unit School District 320, also known as "County of Winnebago School District 320" Pecatonica Community Unit School District 321 Durand Community Unit School District 322 Winnebago Community Unit School District 323