| School Name | IATE District | School Address | School City | School District | School County | Public or Private | School Level |
|---|---|---|---|---|---|---|---|
| Carrier Mills-Stonefort CUSD 2 | Southern | 7071 US 45 S | Carrier Mills | Carrier Mills-Stonefort CUSD 2 | Saline | Public | |
| Carrier Mills-Stonefort Elem Sch | Southern | 213 W Furlong St | Carrier Mills | Carrier Mills-Stonefort CUSD 2 | Saline | Public | Elementary |
| Carrier Mills-Stonefort H S | Southern | 7071 US 45 S | Carrier Mills | Carrier Mills-Stonefort CUSD 2 | Saline | Public | High School |
| Carroll Catholic School | Central | 111 4th St | Lincoln | Logan | 1 | ||
| Carroll Elem School | Metro South | 2929 W 83rd St | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Carrollton CUSD 1 | Marquette | 950A 3rd St | Carrollton | Carrollton CUSD 1 | Greene | Public | |
| Carrollton Grade School | Marquette | 721 4th St | Carrollton | Carrollton CUSD 1 | Greene | Public | Elementary |
| Carrollton High School | Marquette | 950 3rd St | Carrollton | Carrollton CUSD 1 | Greene | Public | High School |
| Carrot Patch Day Care Center | Kaskaskia | 252 Veterans Pkwy | Columbia | Monroe/St. Clair | 1 | ||
| Carruthers Elementary School | Southern | 80 Candy Ln | Murphysboro | Murphysboro CUSD 186 | Jackson | Public | Elementary |
| Carson Elem School | Metro South | 5516 S Maplewood Ave | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Carter Elem School | Metro South | 5740 S Michigan Ave | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Carterville CUSD 5 | Southern | 306 Virginia Ave | Carterville | Carterville CUSD 5 | Williamson | Public | |
| Carterville High School | Southern | 1415 West Grand Avenue | Carterville | Public | High School | ||
| Carterville High School | Southern | 1415 West Grand Avenue | Carterville | Public | High School | ||
| Carterville High School | Southern | 1415 West Grand Avenue | Carterville | Public | High School | ||
| Carterville High School | Southern | 1415 West Grand Avenue | Carterville | High School | |||
| Carterville High School | Southern | 1415 West Grand Avenue | Carterville | Public | High School | ||
| Carterville High School | Southern | 1415 West Grand Avenue | Carterville | Public | High School | ||
| Carterville High School | Southern | 1415 W Grand Ave | Carterville | Carterville CUSD 5 | Williamson | Public | High School |
| Carterville Intermediate Sch | Southern | 300 School St | Carterville | Carterville CUSD 5 | Williamson | Public | Elementary |
| Carterville Jr High Sch | Southern | 816 S Division St | Carterville | Carterville CUSD 5 | Williamson | Public | Middle School |
| Carthage ESD 317 | Mississippi Valley | 210 S Adams St | Carthage | Carthage ESD 317 | Hancock | Public | |
| Carthage Middle School | Mississippi Valley | 210 S Adams St | Carthage | Carthage ESD 317 | Hancock | Public | Middle School |
| Carthage Primary School | Mississippi Valley | 210 S Adams St | Carthage | Carthage ESD 317 | Hancock | Public | Elementary |
| Carver Community Action Agency | Western | 235 E Main St | Galesburg | Knox | 1 | ||
| Carver Military Academy HS | Metro South | 13100 S Doty Ave | Chicago | City of Chicago SD 299 | Cook | Public | High School |
| Carver Primary School | Metro South | 901 E 133rd Pl | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Cary CCSD 26 | Northeastern | 2115 Crystal Lake Rd | Cary | Cary CCSD 26 | McHenry | Public | |
| Cary Jr High School | Northeastern | 2109 Crystal Lake Rd | Cary | Cary CCSD 26 | McHenry | Public | Middle School |
| Cary-Grove Community High School | Northeastern | 2208 3 Oaks Rd | Cary | CHSD 155 | McHenry | Public | High School |
| Casa Central | Metro North and West | 1343 N California Av | Chicago | Cook | 1 | ||
| Casals Elem School | Metro North and West | 3501 W Potomac Ave | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Casey-Westfield CUSD 4C | Eastern | 502 E Delaware Ave | Casey | Casey-Westfield CUSD 4C | Clark/Cumberland | Public | |
| Casey-Westfield Jr/Sr HS | Eastern | 306 E Edgar Ave | Casey | Casey-Westfield CUSD 4C | Clark/Cumberland | Public | High School |
| Caseyville Elementary School | Kaskaskia | 433 S 2nd St | Caseyville | Collinsville CUSD 10 | St. Clair | Public | Elementary |
| Cass Jr High School | Western Suburban | 8502 Bailey Rd | Darien | Cass SD 63 | DuPage | Public | Middle School |
| Cass SD 63 | Western Suburban | 8502 Bailey Rd | Darien | Cass SD 63 | DuPage | Public | |
| Cassell Elem School | Metro South | 11314 S Spaulding Av | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Castellanos Elem School | Metro North and West | 2524 S Central Park | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Catalyst Charter - Maria ES | Metro South | 6727 S California Av | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Catalyst Charter-Circle Rock ES | Metro North and West | 5608 W Washington Bl | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Catalyst Charter-Howland ES | Metro North and West | 1616 S Spaulding Ave | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Catch a Star Learning Ctr | Western | 424 W Piper St | Macomb | McDonough | 1 | ||
| Cathedral Baptist School | Northwestern | 5622 35th St | Rockford | Winnebago | 1 | ||
| Cathedral Child Care | South Central | 815 S 2nd St | Springfield | Sangamon | 1 | ||
| Cathedral Elem School | South Central | 815 S 6th St | Springfield | Sangamon | 1 | Elementary | |
| Cathedral Grade School | Kaskaskia | 200 S 2nd St | Belleville | St. Clair | 1 | ||
| Cathedral of St Raymond School | Metro South | 608 N Raynor Ave | Joliet | Will | 1 | Elementary | |
| Cather Elem School | Metro North and West | 2908 W Washington | Chicago | City of Chicago SD 299 | Cook | Public | Elementary |
| Catherine Cook School | Metro North and West | 226 W Schiller St | Chicago | Cook | 1 | ||
| Catholic Bishop of Chicago | PO Box 1979 | Chicago | Cook | 1 | |||
| Catholic Charities - Chicago Lawn | Metro South | 3001 W 59th St | Chicago | City of Chicago SD 299 | Cook | Public | |
| Catholic Charities of Archdioces | Metro North and West | 721 N La Salle Dr | Chicago | Cook | 1 | ||
| Catholic Charities of Joliet | Metro South | 203 N Ottawa St | Joliet | Will | 1 | ||
| Catholic Charities of Peoria | Peoria | 419 NE Madison Ave | Peoria | Peoria | 1 | ||
| Catholic Charities Spfld Diocese | South Central | 1625 W Washington St | Springfield | Sangamon | 1 | ||
| Catholic Childrens Home | Marquette | 1400 State St | Alton | Madison | 1 | ||
| Catholic Diocese of Belleville | Kaskaskia | 222 S 3rd St | Belleville | St. Clair | 1 | ||
| Catholic Urban Programs | Kaskaskia | PO Box 3310 | East Saint Louis | St. Clair | 1 | ||
| Catlin CUSD 5 | East Central | 701 1/2 W Vermilion | Catlin | Catlin CUSD 5 | Vermilion | Public | |
| Catlin Elem School | East Central | 216 N Webster St | Catlin | Catlin CUSD 5 | Vermilion | Public | Elementary |
| Catlin High School | East Central | 701 W Vermilion St | Catlin | Catlin CUSD 5 | Vermilion | Public | High School |
| Caywoods Youth Center Inc | Kaskaskia | 221 Bradford Ln | Waterloo | Monroe | 1 | ||
| Caywoods Youth Ctr III Inc | Mississippi Valley | 3700 E Lake Ctr | Quincy | Adams | 1 | ||
| CCC - Arturo Valesquez Institute | Metro South | 2800 S Western Ave | Chicago | City of Chicago SD 299 | Cook | Public | |
| CCSD 146 | Metro South | 6611 171st St | Tinley Park | CCSD 146 | Cook | Public | |
| CCSD 168 | Metro South | 21899 Torrence Ave | Sauk Village | CCSD 168 | Cook | Public | |
| CCSD 180 | Metro South | 15w451 91st St | Burr Ridge | CCSD 180 | Cook/DuPage | Public | |
| CCSD 204 | Southern | 6067 State Route 154 | Pinckneyville | CCSD 204 | Perry | Public | |
| CCSD 62 | Northwest Suburban | 777 E Algonquin Rd | Des Plaines | CCSD 62 | Cook | Public | |
| CCSD 89 | Western Suburban | 22w600 Butterfield | Glen Ellyn | CCSD 89 | DuPage | Public | |
| CCSD 93 | Western Suburban | 230 Covington Dr | Bloomingdale | CCSD 93 | DuPage | Public | |
| CCSD 93 Early Childhood Cntr | Western Suburban | 280 Old Gary Ave | Bloomingdale | CCSD 93 | DuPage | Public | |
| Cecil Community College | 1 Seahawk Dr | North East | 1 | College | |||
| Cedar Ridge Elem School | Central | 2808 Breezewood Blvd | Bloomington | McLean County USD 5 | McClean | Public | Elementary |
| Cedi | Metro South | 535 Regent Rd | University Park | Will | 1 | ||
| CEFS Econ Opp Corporation Prog | Eastern | PO Box 928 | Effingham | Effingham | 1 | ||
| Centennial Elem School | Illinois Valley | 614 Oakley Ave | Streator | Streator ESD 44 | LaSalle | Public | Elementary |
| Centennial Elem School | Northeastern | 800 S West St | Plano | Plano CUSD 88 | Kendall | Public | Elementary |
| Centennial Elem School | Rock River | 308 S Pleasant Ave | Polo | Polo CUSD 222 | Ogle | Public | Elementary |
| Centennial High School | East Central | 913 Crescent Dr | Champaign | Champaign CUSD 4 | Champaign | Public | High School |
| Centennial School | Central | 135 W 5th St | El Paso | El Paso-Gridley CUSD 11 | McClean | Public | Elementary |
| Centennial School | Metro South | 14101 Creek Xing | Orland Park | Orland SD 135 | Cook | Public | Elementary |
| Centennial School | Western Suburban | 234 E Stearns Rd | Bartlett | SD U-46 | DuPage | Public | Elementary |
| Center Cass SD 66 | Western Suburban | 699 Plainfield Rd | Downers Grove | Center Cass SD 66 | DuPage | Public | |
| Center Elem School | Northwestern | 555 N Court St | Freeport | Freeport SD 145 | Stephenson | Public | Elementary |
| Center for Community Academic | 10824 Halsted Ste100 | Chicago | Cook | 1 | |||
| Center for Comprehensive Service | Southern | 306 W Mill St | Carbondale | Jackson | 1 | ||
| Center for Correctional Concerns | Metro South | 1550 Plainfield Rd | Joliet | Will | 1 | ||
| Center for Family Services | Northeastern | 1720 N Randall Rd | Aurora | Kane | 1 | ||
| Center For Hope Ministries Inc | Central | 14940 Old Colonial | Bloomington | McClean | 1 | ||
| Center for New Hope | Metro South | 3921 S Indiana Av 3n | Chicago | Cook | 1 | ||
| Center for Occupational R&D | 601C Lake Air Dr | Waco | 1 | ||||
| Center of Higher Development | PO Box 490947 | Chicago | Cook | 1 | |||
| Center of Life Learning Academy | Metro South | 6643 S Ashland Ave | Chicago | Cook | 1 | ||
| Center on Deafness | Northwest Suburban | 3444 Dundee Rd | Northbrook | Cook | 1 | ||
| Center Street Elem School | Wabash Valley | 200 W Center St | Fairfield | Fairfield PSD 112 | Wayne | Public | Elementary |
| Centers for New Horizons Inc | Metro South | 4150 S King Dr | Chicago | Cook | 1 | ||
| Centerview Therapeutic | Northwest Suburban | 3444 Dundee Rd | Northbrook | Cook | 1 |
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