This is a list of high schools in the U.S. state of Illinois.
Adams County
- Central High School, Camp Point
- Liberty High School, Liberty
- Payson-Seymour High School, Payson
- Unity High School, Mendon
Quincy
- Quincy Notre Dame High School
- Quincy Senior High School
Alexander County
- Cairo Junior/Senior High School, Cairo
- Egyptian Senior High School, Tamms
Bond County
- Greenville High School, Greenville
- Mulberry Grove High School, Mulberry Grove
Boone County
- North Boone High School, Poplar Grove
Belvidere
- Belvidere High School
- Belvidere North High School
Brown County
- Brown County High School, Mount Sterling
Bureau County
- Bureau Valley High School, Manlius
- DePue High School, DePue
- Hall High School, Spring Valley
- La Moille High School, La Moille
- Ohio High School, Ohio
- Princeton High School, Princeton
Calhoun County
- Brussels High School, Brussels
- Calhoun High School, Hardin
Carroll County
- Eastland High School, Lanark
- Milledgeville High School, Milledgeville
- West Carroll High School, Savanna
Cass County
- A-C Central High School, Ashland
- Beardstown High School, Beardstown
- Virginia Senior High School, Virginia
Champaign County
- Fisher Junior/Senior High School, Fisher
- Heritage High School, Broadlands
- Mahomet-Seymour High School, Mahomet
- Rantoul Township High School, Rantoul
- St. Joseph-Ogden High School, St. Joseph
- Unity High School, Tolono
Champaign
- Centennial High School
- Champaign Central High School
- Judah Christian School
- St. Thomas More High School
Urbana
- University Laboratory High School
- Urbana High School
Christian County
- Edinburg High School, Edinburg
- Morrisonville High School, Morrisonville
- Pana Senior High School, Pana
- South Fork Jr/Sr High School (6–12), Kincaid
- Taylorville High School, Taylorville
Clark County
- Casey-Westfield High School, Casey
- Marshall High School, Marshall
- Martinsville High School, Martinsville
Clay County
- Clay City High School, Clay City
- Flora High School, Flora
- North Clay High School, Louisville
Clinton County
- Carlyle High School, Carlyle
- Christ Our Rock Lutheran High School, Centralia
- Wesclin Senior High School, Trenton
Breese
- Central Community High School
- Mater Dei High School
Coles County
- Charleston High School, Charleston
- Mattoon High School, Mattoon
- Oakland High School, Oakland
Cook County
Arlington Heights
Chicago Public Schools
Chicago Independent Schools
Archdiocese of Chicago (Chicago/Cook County)
Chicago Heights
Defunct
Crawford County
Cumberland County
- Cumberland High School, Toledo
- Neoga Junior-Senior High School, Neoga
DeKalb County
DeWitt County
- Blue Ridge High School, Farmer City
- Clinton High School, Clinton
Douglas County
DuPage County
Aurora
- Metea Valley High School
- Waubonsie Valley High School
Downers Grove
- Downers Grove North High School
- Downers Grove South High School
Elmhurst
- IC Catholic Prep
- Timothy Christian School
- York Community High School
Glen Ellyn
- Glenbard South High School
- Glenbard West High School
Lisle
- Benet Academy
- Lisle High School
Lombard
- College Preparatory School of America
- Glenbard East High School
- Montini Catholic High School
Naperville
- Naperville Central High School
- Naperville North High School
Villa Park
- Islamic Foundation School
- Willowbrook High School
Wheaton
- St. Francis High School
- Wheaton North High School
- Wheaton Warrenville South High School
West Chicago
- West Chicago Community High School
- Wheaton Academy
Defunct
- Driscoll Catholic High School, Addison (1966–2009)
- Indian Plains Alternative High School, Aurora (closed 2018)
- Midwest Military Academy, Wheaton (1931-1988)
Edgar County
Edwards County
- Edwards County High School, Albion
Effingham County
Effingham
- Effingham High School
- St. Anthony High School
Fayette County
Ford County
- Gibson City-Melvin-Sibley High School, Gibson City
- Paxton-Buckley-Loda High School, Paxton
Franklin County
Fulton County
Gallatin County
- Gallatin High School, Junction
Greene County
- Carrollton High School, Carrollton
- Greenfield High School, Greenfield
- North Greene High School, White Hall
Grundy County
Hamilton County
- Hamilton County Jr/Sr High School, McLeansboro
Hancock County
Hardin County
- Hardin County High School, Elizabethtown
Henderson County
- West Central High School, Biggsville
Henry County
Kewanee
- Kewanee High School
- Wethersfield High School
Iroquois County
Defunct
- Crescent-Iroquois High School, Crescent City (1940–2009)
Jackson County
- Elverado High School, Elkville
- Murphysboro High School, Murphysboro
- Trico High School, Campbell Hill
Carbondale
- Brehm Preparatory School
- Carbondale Community High School
Jasper County
- Newton Community High School, Newton
Jefferson County
Jersey County
- Jersey Community High School, Jerseyville
Jo Daviess County
Johnson County
- Goreville High School, Goreville
- Vienna High School, Vienna
Kane County
Aurora
Elgin
St. Charles
Defunct
- Academy of the Cross, St. Charles (never opened, property sold in 2015)
- Broadview Academy, La Fox (1909–May 2007)
Kankakee County
Kankakee
Kendall County
Oswego
- Oswego East High School
- Oswego High School
Knox County
LaSalle County
Ottawa
- Marquette Academy
- Ottawa Township High School
Lake County
Grayslake
- Grayslake Central High School
- Grayslake North High School
Lake Forest
- Lake Forest Academy
- Lake Forest High School
- Woodlands Academy of the Sacred Heart
Mundelein
- Carmel High School
- Mundelein High School
Waukegan
- Cristo Rey St. Martin College Prep
- Waukegan High School
Zion
- New Tech High at Zion-Benton East
- Zion-Benton Township High School
Defunct
- Ferry Hall School, Lake Forest (1869–1974)
Lawrence County
- Lawrenceville High School, Lawrenceville
- Red Hill High School, Bridgeport
Lee County
Livingston County
Logan County
- Lincoln Community High School, Lincoln
- Hartsburg-Embden Jr/Sr High School, Hartsburg
- Mount Pulaski High School, Mount Pulaski
Macon County
Decatur
Defunct
- Stephen Decatur High School, Decatur (1911–2000)
Macoupin County
Madison County
Alton
- Alton Senior High School
- Marquette Catholic High School
Edwardsville
- Edwardsville High School
- Metro-East Lutheran High School
Defunct
- Livingston High School, Livingston (Late 1800s–2004)
- Venice High School, Venice (1917–2004)
Marion County
Marshall County
- Henry-Senachwine High School, Henry
- Midland High School, Varna
Mason County
- Havana High School, Havana
- Illini Central High School, Mason City
- Midwest Central High School, Manito
Massac County
- Joppa-Maple Grove High School, Joppa
- Massac County High School, Metropolis
McDonough County
- Bushnell-Prairie City High School, Bushnell
- Macomb High School, Macomb
- West Prairie High School, Sciota
McHenry County
Crystal Lake
Woodstock
McLean County
Bloomington
Normal
Menard County
- Athens Senior High School, Athens
- Greenview High School, Greenview
- Porta High School, Petersburg
Mercer County
- Mercer County High School, Aledo
Monroe County
- Columbia High School, Columbia
- Valmeyer High School, Valmeyer
Waterloo
- Gibault Catholic High School
- Waterloo High School
Montgomery County
Morgan County
Jacksonville
Moultrie County
- Arthur Christian School, Arthur
- Okaw Valley High School, Bethany
- Sullivan High School, Sullivan
Ogle County
Peoria County
Peoria
Defunct
- Academy of Our Lady/Spalding Institute, Peoria (1863–1988)
- Bergan High School, Peoria (1964–1988)
Perry County
- DuQuoin High School, Du Quoin
- Pinckneyville Community High School, Pinckneyville
Piatt County
Pike County
Pope County
- Pope County High School, Golconda
Pulaski County
- Century High School, Ullin
- Meridian High School, Mounds
Putnam County
- Putnam County High School, Granville
Randolph County
Richland County
- Richland County High School, Olney
Rock Island County
St. Clair County
Belleville
East St. Louis
Saline County
Sangamon County
Springfield
Defunct
- Divernon High School, Divernon (c. 1900–2007)
- Ursuline Academy, Springfield (1857–2007)
Schuyler County
- Rushville-Industry High School, Rushville
Scott County
- Bluffs High School, Bluffs
- Winchester High School, Winchester
Shelby County
Stark County
- Stark County High School, Toulon
Stephenson County
Freeport
- Aquin Central Catholic High School
- Freeport High School
Tazewell County
Union County
Vermilion County
Danville
Defunct
Wabash County
- Mount Carmel High School, Mount Carmel
Warren County
- Monmouth-Roseville High School, Monmouth
- United Senior High School, Monmouth
Washington County
- Nashville Community High School, Nashville
- Okawville High School, Okawville
Wayne County
- Fairfield Community High School, Fairfield
- Wayne City High School, Wayne City
White County
- Carmi-White County High School, Carmi
- Grayville Jr/Sr High School, Grayville
- Norris City-Omaha-Enfield High School, Norris City
Whiteside County
Will County
Crete
Joliet
New Lenox
Plainfield
Defunct
- Christ Lutheran Academy (Plainfield, Illinois) (2001-2010)
- Lincoln-Way North High School, Frankfort (Closed in 2016)
Williamson County
- Carterville High School, Carterville
- Herrin High School, Herrin
Johnston City
- Project E.C.H.O. Alternative School
- Johnston City High School
Marion
- Crab Orchard High School
- Marion High School
Winnebago County
Rockford
Defunct
- Rockford Central High School, Rockford (1885–1940)
- St. Thomas Catholic High School for Boys, Rockford (1929-1963)
Woodford County
See also
- List of high schools in Greater St. Louis
- List of school districts in Illinois
References
External links
- List of high schools in Illinois from SchoolTree.org
- List of schools in Illinois from Illinois State Board of Education




