| A E R O Special Education Cooperative | Burbank | |
| A-C Central CUSD 262 | Ashland | 314 |
| ACE Amandla Charter School | Chicago | 137 |
| Abingdon-Avon CUSD 276 | Abingdon | 906 |
| Adam/Brwn/Cass/Morgn/Pik/Sctt ROE | Quincy | 0 |
| Addison SD 4 | Addison | 3,389 |
| Adlai E Stevenson HSD 125 | Lincolnshire | 4,758 |
| Akin CCSD 91 | Akin | 124 |
| AlWood CUSD 225 | Woodhull | 356 |
| Albers SD 63 | Albers | 154 |
| Alden Hebron SD 19 | Hebron | 421 |
| Allen-Otter Creek CCSD 65 | Ransom | 96 |
| Allendale CCSD 17 | Allendale | 131 |
| Alsip-Hazlgrn-Oaklwn SD 126 | Alsip | 1,595 |
| Altamont CUSD 10 | Altamont | 684 |
| Alton CUSD 11 | Alton | 5,526 |
| Alxndr/Jcksn/Pulsk/Prry/Union ROE | Murphysboro | 0 |
| Amboy CUSD 272 | Amboy | 722 |
| Anna CCSD 37 | Anna | 593 |
| Anna Jonesboro CHSD 81 | Anna | 476 |
| Annawan CUSD 226 | Annawan | 342 |
| Antioch CCSD 34 | Antioch | 2,574 |
| Aptakisic-Tripp CCSD 102 | Buffalo Grove | 2,557 |
| Arbor Park SD 145 | Oak Forest | 1,182 |
| Arcola CUSD 306 | Arcola | 709 |
| Argenta-Oreana CUSD 1 | Argenta | 893 |
| Argo CHSD 217 | Summit | 1,817 |
| Arlington Heights SD 25 | Arlington Heights | 5,423 |
| Armstrong Township HSD 225 | Armstrong | 114 |
| Armstrong-Ellis Consolidated SD 61 | Armstrong | 81 |
| Arthur CUSD 305 | Arthur | 925 |
| Ashley CCSD 15 | Ashley | 115 |
| Ashton-Franklin Center CUSD 275 | Ashton | 434 |
| Astoria CUSD 1 | Astoria | 277 |
| Athens CUSD 213 | Athens | 961 |
| Atwood Heights SD 125 | Alsip | 589 |
| Auburn CUSD 10 | Auburn | 1,055 |
| Aurora East USD 131 | Aurora | 12,187 |
| Aurora West USD 129 | Aurora | 11,020 |
| Aviston SD 21 | Aviston | 462 |
| Avoca SD 37 | Wilmette | 566 |
| B H R A Cooperative High School | Bismarck | 0 |
| BMP Tri County Special Ed Cooperative | Tiskilwa | |
| Ball Chatham CUSD 5 | Chatham | 4,516 |
| Bannockburn SD 106 | Bannockburn | 165 |
| Barrington CUSD 220 | Barrington | 7,936 |
| Bartelso SD 57 | Bartelso | 166 |
| Bartonville SD 66 | Bartonville | 204 |
| Batavia USD 101 | Batavia | 5,218 |
| Beach Park CCSD 3 | Beach Park | 1,996 |
| Beardstown CUSD 15 | Beardstown | 1,531 |
| Beecher CUSD 200U | Beecher | 1,051 |
| Beecher City CUSD 20 | Beecher City | 361 |
| Belle Valley SD 119 | Belleville | 997 |
| Belleville Area Special Services | Belleville | |
| Belleville SD 118 | Belleville | 3,275 |
| Belleville Township HSD 201 | Belleville | 4,718 |
| Bellwood SD 88 | Bellwood | 1,998 |
| Belvidere CUSD 100 | Belvidere | 7,523 |
| Bement CUSD 5 | Bement | 291 |
| Benjamin SD 25 | West Chicago | 646 |
| Bensenville SD 2 | Bensenville | 2,035 |
| Benton CCSD 47 | Benton | 1,000 |
| Benton Consolidated HSD 103 | Benton | 604 |
| Berkeley SD 87 | Berkeley | 2,147 |
| Berwyn North SD 98 | Berwyn | 2,434 |
| Berwyn South SD 100 | Berwyn | 3,050 |
| Bethalto CUSD 8 | Bethalto | 2,368 |
| Bethel SD 82 | Mount Vernon | 154 |
| Betty Shabazz Internl Chrtr School | Chicago | 524 |
| Bi-County Special Education Cooperative | Sterling | 0 |
| Big Hollow SD 38 | Ingleside | 1,653 |
| Bismarck Henning CUSD | Bismarck | 802 |
| Black Hawk Area Sp Ed District | East Moline | |
| Bloom Township HSD 206 | Chicago Heights | 3,041 |
| Bloomingdale SD 13 | Bloomingdale | 1,290 |
| Bloomington SD 87 | Bloomington | 4,809 |
| Blue Ridge CUSD 18 | Farmer City | 652 |
| Bluford Unit School District 318 | Bluford | 370 |
| Bnd/Chrstn/Effngh/Fytt/Mntgmr ROE | Vandalia | 0 |
| Bond County CUSD 2 | Greenville | 1,550 |
| Bond Fayette Effingham EFE 410 | Vandalia | |
| Boone/Winnebago ROE | Loves Park | 0 |
| Bourbonnais SD 53 | Bourbonnais | 2,276 |
| Braceville SD 75 | Braceville | 130 |
| Bradford CUSD 1 | Bradford | 168 |
| Bradley Bourbonnais CHSD 307 | Bradley | 1,914 |
| Bradley SD 61 | Bradley | 1,278 |
| Breese ESD 12 | Breese | 607 |
| Bremen CHSD 228 | Midlothian | 4,885 |
| Brimfield CUSD 309 | Brimfield | 587 |
| Brookfield Lagrange Park SD 95 | Brookfield | 1,387 |
| Brooklyn UD 188 | Lovejoy | 118 |
| Brookwood SD 167 | Glenwood | 1,098 |
| Brown County CUSD 1 | Mt Sterling | 673 |
| Brownstown CUSD 201 | Brownstown | 427 |
| Brussels CUSD 42 | Brussels | 109 |
| Buncombe Consolidated SD 43 | Buncombe | 51 |
| Bunker Hill CUSD 8 | Bunker Hill | 573 |
| Burbank SD 111 | Burbank | 3,257 |
| Bureau Valley CUSD 340 | Manilus | 906 |
| Bureau/Henry/Stark ROE | Atkinson | 0 |
| Burnham SD 154-5 | Burnham | 141 |
| Bushnell Prairie City CUSD 170 | Bushnell | 602 |
| Butler SD 53 | Oak Brook | 463 |
| Byron CUSD 226 | Byron | 1,461 |
| CCSD 146 | Tinley Park | 2,325 |
| CCSD 168 | Sauk Village | 1,243 |
| CCSD 180 | Burr Ridge | 483 |
| CCSD 204 | Pinckneyville | 210 |
| CCSD 62 | Des Plaines | 4,520 |
| CCSD 89 | Glen Ellyn | 2,260 |
| CCSD 93 | Bloomingdale | 3,319 |
| CHSD 117 | Lake Villa | 2,647 |
| CHSD 128 | Vernon Hills | 3,196 |
| CHSD 155 | Crystal Lake | 5,203 |
| CHSD 218 | Oak Lawn | 5,436 |
| CHSD 94 | West Chicago | 2,040 |
| CHSD 99 | Downers Grove | 4,673 |
| CUSD 200 | Wheaton | 11,639 |
| CUSD 201 | Westmont | 1,330 |
| CUSD 3 Fulton County | Cuba | 386 |
| CUSD 300 | Algonquin | 20,705 |
| CUSD 308 | Oswego | 16,766 |
| CUSD 4 | Mendon | 672 |
| Cahokia CUSD 187 | Cahokia | 2,991 |
| Cairo USD 1 | Cairo | 278 |
| Calhoun CUSD 40 | Hardin | 507 |
| Calhoun/Greene/Jersy/Macoupin ROE | Carlinville | 0 |
| Calumet City SD 155 | Calumet City | 966 |
| Calumet Public SD 132 | Calumet Park | 895 |
| Cambridge CUSD 227 | Cambridge | 459 |
| Canton Union SD 66 | Canton | 2,094 |
| Carbon Cliff-Barstow SD 36 | Silvis | 238 |
| Carbondale CHSD 165 | Carbondale | 1,023 |
| Carbondale ESD 95 | Carbondale | 1,648 |
| Career & Tech Education Consortium | Freeport | |
| Career Development System | Oak Forest | |
| Career Education Assoc of N Central IL | Loves Park | |
| Career Preparation Network | Crete | |
| Carlinville CUSD 1 | Carlinville | 1,282 |
| Carlyle CUSD 1 | Carlyle | 926 |
| Carmi-White County CUSD 5 | Carmi | 1,282 |
| Carrier Mills-Stonefort CUSD 2 | Carrier Mills | 394 |
| Carroll/Jo Daviess/Stephenson ROE | Freeport | 0 |
| Carrollton CUSD 1 | Carrollton | 449 |
| Carterville CUSD 5 | Carterville | 2,162 |
| Carthage ESD 317 | Carthage | 405 |
| Cary CCSD 26 | Cary | 2,372 |
| Casey-Westfield CUSD 4C | Casey | 891 |
| Cass SD 63 | Darien | 773 |
| Center Cass SD 66 | Downers Grove | 1,130 |
| Central A & M CUD 21 | Assumption | 746 |
| Central CHSD 71 | Breese | 629 |
| Central CUSD 3 | Camp Point | 743 |
| Central CUSD 301 | Burlington | 5,082 |
| Central CUSD 4 | Ashkum | 968 |
| Central City SD 133 | Centralia | 276 |
| Central IL Voc Ed Cooperative | Metamora | |
| Central Ill Rural Region | Jerseyville | |
| Central SD 104 | O Fallon | 629 |
| Central SD 51 | Washington | 1,349 |
| Central Stickney SD 110 | Chicago | 262 |
| Centralia HSD 200 | Centralia | 887 |
| Centralia SD 135 | Centralia | 1,068 |
| Century CUSD 100 | Ullin | 331 |
| Cerro Gordo CUSD 100 | Cerro Gordo | 474 |
| Chadwick-Milledgeville CUSD 399 | Milledgeville | 375 |
| Champaign CUSD 4 | Champaign | 10,598 |
| Champaign/Ford ROE | Champaign | 0 |
| Chaney-Monge SD 88 | Crest Hill | 479 |
| Channahon SD 17 | Channahon | 1,145 |
| Charleston CUSD 1 | Charleston | 2,744 |
| Chester CUSD 139 | Chester | 975 |
| Chester N HSD 122 | Red Bud | |
| Chester-East Lincoln CCSD 61 | Lincoln | 288 |
| Chicago Heights SD 170 | Chicago Heights | 2,674 |
| Chicago Public Schools District 299 | Chicago | 324,130 |
| Chicago Ridge SD 127-5 | Chicago Ridge | 1,485 |
| Christopher USD 99 | Christopher | 716 |
| Cicero SD 99 | Cicero | 8,664 |
| Cissna Park CUSD 6 | Cissna Park | 292 |
| Clay City CUSD 10 | Clay City | 253 |
| Clay/Cwford/Jsper/Lwrnce/Rhland | Robinson | 0 |
| Clay/Jasper/Richland/N Wayne RDS | Flora | |
| Clintn/Jeffrsn/Marin/Washngtn ROE | Mount Vernon | 0 |
| Clinton CUSD 15 | Clinton | 1,765 |
| Clk/Cls/Cmbn/Dglas/Edgr/Mltr/Shlb | Charleston | 0 |
| Coal City CUSD 1 | Coal City | 2,129 |
| Cobden SUD 17 | Cobden | 454 |
| Collinsville CUSD 10 | Collinsville | 6,031 |
| Colona SD 190 | Colona | 371 |
| Columbia CUSD 4 | Columbia | 1,904 |
| Community Consolidated SD 59 | Elk Grove Vlg | 5,869 |
| Community Unit School District No 196 | Dupo | 884 |
| Consolidated HSD 230 | Orland Park | 7,613 |
| Cook County SD 130 | Blue Island | 2,950 |
| Cooperative Assoc for Special Education | Glendale Hts | |
| Cornell CCSD 426 | Cornell | 114 |
| Coulterville USD 1 | Coulterville | 185 |
| Country Club Hills SD 160 | Country Club Hills | 849 |
| County of Union School District No43 | Jonesboro | 338 |
| County of Winnebago SD 320 | South Beloit | 895 |
| County of Woodford School | Metamora | 896 |
| Cowden-Herrick CUSD 3A | Cowden | 343 |
| Crab Orchard CUSD 3 | Marion | 477 |
| Crescent Iroquois CUSD 249 | Crescent City | 54 |
| Creston CCSD 161 | Creston | 76 |
| Crete Monee CUSD 201U | Crete | 4,562 |
| Creve Coeur SD 76 | Creve Coeur | 455 |
| Crystal Lake CCSD 47 | Crystal Lake | 6,889 |
| Cumberland CUSD 77 | Toledo | 972 |
| Cypress SD 64 | Cypress | 116 |
| Dakota CUSD 201 | Dakota | 754 |
| Dallas ESD 327 | Dallas City | 156 |
| Dalzell SD 98 | Dalzell | 45 |
| Damiansville SD 62 | Damiansville | 102 |
| Danville CCSD 118 | Danville | 4,940 |
| Darien SD 61 | Darien | 1,237 |
| De Kalb ROE | Dekalb | 0 |
| DeKalb CUSD 428 | Dekalb | 6,771 |
| DePue USD 103 | DePue | 318 |
| DeSoto Consolidated SD 86 | De Soto | 198 |
| DeWitt/Livingstn/Logan/McLean ROE | Bloomington | 0 |
| Decatur SD 61 | Decatur | 7,840 |
| Deer Creek-Mackinaw CUSD 701 | Mackinaw | 942 |
| Deer Park CCSD 82 | Ottawa | 44 |
| Deerfield SD 109 | Deerfield | 2,714 |
| Delabar CTE System | Monmouth | |
| Deland-Weldon CUSD 57 | De Land | 173 |
| Delavan CUSD 703 | Delavan | 375 |
| Dept of Human Services | Springfield | 0 |
| Des Plaines Valley EFE | River Grove | |
| Diamond Lake SD 76 | Mundelein | 810 |
| Dieterich CUSD 30 | Dieterich | 632 |
| Dimmick Community Consolidated SD #175 | La Salle | 153 |
| District 50 Schools | Washington | 577 |
| Dixon USD 170 | Dixon | 2,436 |
| Dolton SD 148 | Riverdale | 2,077 |
| Dolton SD 149 | Calumet City | 2,192 |
| Dongola USD 66 | Dongola | 221 |
| Donovan CUSD 3 | Donovan | 298 |
| Downers Grove GSD 58 | Downers Grove | 4,811 |
| Du Quoin CUSD 300 | Du Quoin | 1,329 |
| DuPage Area Occup Education Sys | Addison | |
| DuPage HSD 88 | Addison | 3,830 |
| DuPage ROE | Wheaton | 0 |
| Dunlap CUSD 323 | Dunlap | 4,837 |
| Durand CUSD 322 | Durand | 509 |
| Dwight Common SD 232 | Dwight | 519 |
| Dwight Township HSD 230 | Dwight | 211 |
| E St Louis Area Joint Agreement | East Saint Louis | |
| ESD 159 | Matteson | 1,653 |
| ESL Regional Vocational System | East Saint Louis | |
| Eagle Ridge Vocational Del Sys | Elizabeth | |
| Earlville CUSD 9 | Earlville | 405 |
| East Alton SD 13 | East Alton | 716 |
| East Alton-Wood River CHSD 14 | Wood River | 539 |
| East Coloma - Nelson CESD 20 | Rock Falls | 214 |
| East Dubuque USD 119 | East Dubuque | 623 |
| East Maine SD 63 | Des Plaines | 3,706 |
| East Moline SD 37 | East Moline | 2,641 |
| East Peoria CHSD 309 | East Peoria | 823 |
| East Peoria SD 86 | East Peoria | 1,401 |
| East Prairie SD 73 | Skokie | 513 |
| East St Louis SD 189 | East Saint Louis | 4,646 |
| Eastern IL Area of Special Education | Charleston | 0 |
| Eastern IL EFE System | Mattoon | |
| Eastland CUSD 308 | Shannon | 731 |
| Edgar County CUD 6 | Chrisman | 267 |
| Edinburg CUSD 4 | Edinburg | 212 |
| Education for Employment Sys 330 | Champaign | |
| Edw/Glt/Hlt/Hdn/Pop/Sln/Wbh/Wn/Wh | Harrisburg | 0 |
| Edwards County CUSD 1 | Albion | 821 |
| Edwardsville CUSD 7 | Edwardsville | 7,060 |
| Effingham CUSD 40 | Effingham | 2,261 |
| Egyptian CUSD 5 | Tamms | 304 |
| Eisenhower Cooperative | Crestwood | 0 |
| El Paso-Gridley CUSD 11 | El Paso | 1,135 |
| Eldorado CUSD 4 | Eldorado | 1,105 |
| Elgin Math and Science Academy Chtr | Elgin | 499 |
| Elmhurst SD 205 | Elmhurst | 8,280 |
| Elmwood CUSD 322 | Elmwood | 622 |
| Elmwood Park CUSD 401 | Elmwood Park | 2,908 |
| Elverado CUSD 196 | Elkville | 348 |
| Elwood CCSD 203 | Elwood | 331 |
| Emmons SD 33 | Antioch | 288 |
| Erie CUSD 1 | Erie | 603 |
| Eswood CCSD 269 | Lindenwood | 82 |
| Eureka CUD 140 | Eureka | 1,551 |
| Evanston CCSD 65 | Evanston | 6,136 |
| Evanston Dists 65/202 Jnt Agr | Evanston | |
| Evanston Township HSD 202 | Evanston | 3,560 |
| Evergreen Park CHSD 231 | Evergreen Park | 941 |
| Evergreen Park ESD 124 | Evergreen Park | 1,735 |
| Ewing Northern CCSD 115 | Ewing | 231 |
| Exc Children Have Opportunities | South Holland | |
| Exceptional Learners | Vernon Hills | 0 |
| Fairfield Community H S District 225 | Fairfield | 444 |
| Fairfield PSD 112 | Fairfield | 617 |
| Fairmont SD 89 | Lockport | 300 |
| Fairview SD 72 | Skokie | 718 |
| Farmington Central CUSD 265 | Farmington | 1,269 |
| Farrington CCSD 99 | Bluford | 46 |
| Fenton CHSD 100 | Bensenville | 1,396 |
| Field CCSD 3 | Texico | 233 |
| Fieldcrest CUSD 6 | Minonk | 862 |
| Fisher CUSD 1 | Fisher | 610 |
| Five County Reg Voc System | Tamms | |
| Flanagan-Cornell District 74 | Flanagan | 303 |
| Flora CUSD 35 | Flora | 1,320 |
| Flossmoor SD 161 | Chicago Heights | 2,302 |
| Ford Heights SD 169 | Ford Heights | 462 |
| Ford Special Education Cooperative | Gibson City | |
| Forest Park SD 91 | Forest Park | 724 |
| Forest Ridge SD 142 | Oak Forest | 1,539 |
| Forrestville Valley CUSD 221 | Forreston | 714 |
| Four Rivers Special Education District | Jacksonville | 0 |
| Fox Lake GSD 114 | Spring Grove | 600 |
| Fox River Grove Consolidated SD 3 | Fox River Grove | 413 |
| Frankfort CCSD 157C | Frankfort | 2,676 |
| Frankfort CUSD 168 | West Frankfort | 1,517 |
| Franklin CUSD 1 | Franklin | 284 |
| Franklin County Reg Del System | Benton | |
| Franklin Park SD 84 | Franklin Park | 1,254 |
| Franklin-Jefferson Co Sp Ed District | Benton | 0 |
| Frankln/Johnsn/Massc/Willimsn ROE | Benton | 0 |
| Freeburg CCSD 70 | Freeburg | 752 |
| Freeburg CHSD 77 | Freeburg | 689 |
| Freeport SD 145 | Freeport | 3,703 |
| Fremont SD 79 | Mundelein | 2,086 |
| Galatia CUSD 1 | Galatia | 382 |
| Galena USD 120 | Galena | 836 |
| Galesburg CUSD 205 | Galesburg | 3,863 |
| Gallatin CUSD 7 | Junction | 703 |
| Galva CUSD 224 | Galva | 471 |
| Gardner CCSD 72C | Gardner | 146 |
| Gardner S Wilmington Township HSD 73 | Gardner | 154 |
| Gavin SD 37 | Ingleside | 792 |
| Geff CCSD 14 | Geff | 100 |
| Gen George Patton SD 133 | Riverdale | 184 |
| Geneseo CUSD 228 | Geneseo | 2,422 |
| Geneva CUSD 304 | Geneva | 5,043 |
| Genoa Kingston CUSD 424 | Genoa | 1,503 |
| Georgetown-Ridge Farm CUD 4 | Georgetown | 864 |
| Germantown Hills SD 69 | Germantown Hills | 813 |
| Germantown SD 60 | Germantown | 258 |
| Giant City CCSD 130 | Carbondale | 218 |
| Gibson City-Melvin-Sibley CUSD 5 | Gibson City | 975 |
| Gifford CCSD 188 | Gifford | 151 |
| Gillespie CUSD 7 | Gillespie | 1,095 |
| Glen Ellyn SD 41 | Glen Ellyn | 3,482 |
| Glenbard Township HSD 87 | Glen Ellyn | 7,810 |
| Glenbrook HSD 225 | Glenview | 5,034 |
| Glencoe SD 35 | Glencoe | 1,226 |
| Glenview CCSD 34 | Glenview | 4,287 |
| Golf ESD 67 | Morton Grove | 631 |
| Goreville CUD 1 | Goreville | 630 |
| Gower SD 62 | Willowbrook | 940 |
| Grand Prairie CCSD 6 | Centralia | 63 |
| Grand Ridge CCSD 95 | Grand Ridge | 212 |
| Granite City CUSD 9 | Granite City | 5,747 |
| Grant CCSD 110 | Fairview Heights | 569 |
| Grant CHSD 124 | Fox Lake | 1,769 |
| Grant Park CUSD 6 | Grant Park | 452 |
| Grass Lake SD 36 | Antioch | 186 |
| Grayslake CCSD 46 | Grayslake | 3,650 |
| Grayslake CHSD 127 | Grayslake | 2,583 |
| Grayville CUSD 1 | Grayville | 275 |
| Greenfield CUSD 10 | Greenfield | 417 |
| Greenview CUSD 200 | Greenview | 224 |
| Griggsville-Perry CUSD 4 | Griggsville | 329 |
| Grundy County Special Education Cooperative | Morris | |
| Grundy/Kendall ROE | Morris | 0 |
| Gurnee SD 56 | Gurnee | 1,836 |
| Hall HSD 502 | Spring Valley | 388 |
| Hamilton CCSD 328 | Hamilton | 577 |
| Hamilton Co CUSD 10 | Mc Leansboro | 1,091 |
| Hampton SD 29 | Hampton | 225 |
| Hancck/Fultn/Schuylr/McDonogh ROE | Macomb | 0 |
| Hardin County CUSD 1 | Elizabethtown | 498 |
| Harlem UD 122 | Machesney Park | 6,108 |
| Harmony Emge SD 175 | Belleville | 735 |
| Harrisburg CUSD 3 | Harrisburg | 1,781 |
| Harrison SD 36 | Wonder Lake | 447 |
| Hartsburg Emden CUSD 21 | Hartsburg | 175 |
| Harvard CUSD 50 | Harvard | 2,532 |
| Harvey SD 152 | Harvey | 1,487 |
| Havana CUSD 126 | Havana | 819 |
| Hawthorn CCSD 73 | Vernon Hills | 3,496 |
| Hazel Crest SD 152-5 | E Hazel Crest | 891 |
| Heart of IL Low Incidence HILIA | Bloomington | |
| Heartland Region | Decatur | |
| Henderson/Knox/Mercer/Warren ROE | Galesburg | 0 |
| Henry-Senachwine CUSD 5 | Henry | 534 |
| Henry-Stark County Special Ed District | Kewanee | |
| Heritage CUSD 8 | Homer | 391 |
| Herrin CUSD 4 | Herrin | 2,320 |
| Herscher CUSD 2 | Herscher | 1,686 |
| Heyworth CUSD 4 | Heyworth | 873 |
| Hiawatha CUSD 426 | Kirkland | 427 |
| High Mount SD 116 | Swansea | 325 |
| Highland CUSD 5 | Highland | 2,730 |
| Hillsboro CUSD 3 | Hillsboro | 1,518 |
| Hillside SD 93 | Hillside | 440 |
| Hinckley Big Rock CUSD 429 | Hinckley | 730 |
| Hinsdale CCSD 181 | Clarendon Hills | 3,574 |
| Hinsdale Township HSD 86 | Hinsdale | 3,815 |
| Hollis Consolidated SD 328 | Peoria | 147 |
| Homer CCSD 33C | Homer Glen | 3,704 |
| Homewood Flossmoor CHSD 233 | Flossmoor | 2,707 |
| Homewood SD 153 | Homewood | 1,856 |
| Hononegah CHD 207 | Rockton | 1,814 |
| Hoopeston Area CUSD 11 | Hoopeston | 1,064 |
| Hoover-Schrum Memorial SD 157 | Calumet City | 845 |
| Horizon Science Acad-Belmont | Chicago | 785 |
| Horizon Science Acad-McKinley Pk | Chicago | 873 |
| Huntley Community School District 158 | Algonquin | 8,401 |
| Hutsonville CUSD 1 | Hutsonville | 267 |
| IDJJ School District 428 | Chicago | 125 |
| IL Dept of Chldrn and Family Svcs | Chicago | |
| IL Special Ed Charter Cooperative | Chicago | |
| ISU Laboratory Schools | Normal | 1,083 |
| Il Mathematics & Science Academy | Aurora | 656 |
| Il Valley Central USD 321 | Chillicothe | 2,071 |
| Illini Bluffs CUSD 327 | Glasford | 855 |
| Illini Central CUSD 189 | Mason City | 640 |
| Illini West H S District 307 | Carthage | 349 |
| Indian Creek CUSD 425 | Shabbona | 750 |
| Indian Prairie CUSD 204 | Aurora | 26,108 |
| Indian Springs SD 109 | Justice | 2,453 |
| Intrinsic 2 Charter High School | Chicago | 734 |
| Iroquois Area Reg Del System | Gilman | |
| Iroquois County CUSD 9 | Watseka | 939 |
| Iroquois Special Education | Gilman | |
| Iroquois West CUSD 10 | Gilman | 854 |
| Iroquois/Kankakee ROE | Kankakee | 0 |
| Irvington CCSD 11 | Irvington | 64 |
| Itasca SD 10 | Itasca | 960 |
| Iuka CCSD 7 | Iuka | 231 |
| J S Morton HSD 201 | Cicero | 7,709 |
| Jackson/Perry Co Reg Del System | Pinckneyville | |
| Jacksonville SD 117 | Jacksonville | 3,231 |
| Jamp Special Education Services | Ullin | 0 |
| Jasper CCSD 17 | Fairfield | 170 |
| Jasper County CUD 1 | Newton | 1,197 |
| Jersey CUSD 100 | Jerseyville | 2,365 |
| Johnsburg CUSD 12 | Johnsburg | 1,681 |
| Johnston City CUSD 1 | Johnston City | 1,057 |
| Joliet PSD 86 | Joliet | 9,333 |
| Joliet Township HSD 204 | Joliet | 6,746 |
| Joppa-Maple Grove UD 38 | Joppa | 200 |
| Kane ROE | Geneva | 0 |
| Kaneland CUSD 302 | Maple Park | 3,908 |
| Kankakee Area Reg Voc Ed System | Bourbonnais | |
| Kankakee Area Special Education Cooperative | Saint Anne | 0 |
| Kankakee SD 111 | Kankakee | 4,602 |
| Kansas CUSD 3 | Kansas | 168 |
| Kaskaskia Special Education District | Centralia | |
| Keeneyville SD 20 | Hanover Park | 1,301 |
| Kell Consolidated SD 2 | Kell | 64 |
| Kenilworth SD 38 | Kenilworth | 471 |
| Kewanee CUSD 229 | Kewanee | 1,963 |
| Kildeer Countryside CCSD 96 | Buffalo Grove | 3,419 |
| Kings Consolidated SD 144 | Kings | 81 |
| Kinnikinnick CCSD 131 | Roscoe | 1,681 |
| Kirby SD 140 | Tinley Park | 3,495 |
| Kishwaukee Education Consortium | Malta | |
| Knox Warren Special Ed Districts | Galesburg | |
| Knoxville CUSD 202 | Knoxville | 917 |
| Komarek SD 94 | North Riverside | 570 |
| LEARN John and Kathy Schreiber Ch | Waukegan | 519 |
| La Grange SD 102 | La Grange Park | 2,875 |
| La Grange SD 105 South | La Grange | 1,212 |
| La Harpe CSD 347 | La Harpe | 181 |
| La Moille CUSD 303 | La Moille | 182 |
| La Salle ESD 122 | La Salle | 919 |
| La Salle-Peru Township HSD 120 | La Salle | 1,167 |
| La Salle/Marshall/Putnam ROE | Ottawa | 0 |
| LaGrange Highlands SD 106 | La Grange Highlands | 994 |
| LaSalle Putnam Alliance | Ottawa | |
| Ladd CCSD 94 | Ladd | 183 |
| Lagrange Area Dept Special Ed-Ladse | La Grange | |
| Lake Bluff ESD 65 | Lake Bluff | 877 |
| Lake County Area Voc System | Grayslake | |
| Lake Forest CHSD 115 | Lake Forest | 1,359 |
| Lake Forest SD 67 | Lake Forest | 1,652 |
| Lake Park CHSD 108 | Roselle | 2,522 |
| Lake ROE | Vernon Hills | 0 |
| Lake Villa CCSD 41 | Lake Villa | 2,388 |
| Lake Zurich CUSD 95 | Lake Zurich | 5,772 |
| Lansing SD 158 | Lansing | 2,547 |
| Laraway CCSD 70C | Joliet | 433 |
| Lawrence County CUD 20 | Lawrenceville | 1,061 |
| LeRoy CUSD 2 | Le Roy | 739 |
| Lebanon CUSD 9 | Lebanon | 530 |
| Lee County Special Education Assoc | Dixon | |
| Lee/Ogle/Whiteside ROE | Sterling | 0 |
| Leland CUSD 1 | Leland | 263 |
| Lemont Township HSD 210 | Lemont | 1,284 |