| Lemont-Bromberek CSD 113A | Lemont | 2,664 |
| Lena Winslow CUSD 202 | Lena | 817 |
| Lewistown CUSD 97 | Lewistown | 588 |
| Lexington CUSD 7 | Lexington | 511 |
| Leyden Area Special Education Cooperative | Franklin Park | |
| Leyden CHSD 212 | Franklin Park | 3,527 |
| Liberty CUSD 2 | Liberty | 589 |
| Libertyville SD 70 | Libertyville | 2,190 |
| Lick Creek CCSD 16 | Buncombe | 126 |
| Limestone CHSD 310 | Peoria | 898 |
| Limestone Walters CCSD 316 | Peoria | 169 |
| Lincoln CHSD 404 | Lincoln | 764 |
| Lincoln ESD 156 | Calumet City | 717 |
| Lincoln ESD 27 | Lincoln | 1,056 |
| Lincoln Way CHSD 210 | New Lenox | 6,734 |
| Lincoln-Way Area Special Ed JA District | Frankfort | 0 |
| Lincolnland Reg Del System | Lincoln | |
| Lincolnshire-Prairieview SD 103 | Lincolnshire | 1,878 |
| Lincolnwood SD 74 | Lincolnwood | 1,196 |
| Lindop SD 92 | Broadview | 307 |
| Lisbon CCSD 90 | Newark | 121 |
| Lisle CUSD 202 | Lisle | 1,562 |
| Litchfield CUSD 12 | Litchfield | 1,279 |
| Livingston Area Education for Employ | Pontiac | |
| Livingston Co Special Services Unit | Flanagan | |
| Lockport Area Special Education Cooperative | Lockport | |
| Lockport SD 91 | Lockport | 493 |
| Lockport Township HSD 205 | Lockport | 3,678 |
| Lombard SD 44 | Lombard | 2,989 |
| Lostant CUSD 425 | Lostant | 63 |
| Lowpoint-Washburn CUSD 21 | Washburn | 313 |
| Ludlow CCSD 142 | Ludlow | 52 |
| Lyons SD 103 | Lyons | 2,042 |
| Lyons Township HSD 204 | La Grange | 3,706 |
| Macomb CUSD 185 | Macomb | 2,075 |
| Macon-Piatt Special Education Jnt Agr | Decatur | 0 |
| Macon/Piatt ROE | Decatur | 0 |
| Madison CUSD 12 | Madison | 613 |
| Madison Co Career & Tech Ed Sys | Edwardsville | |
| Madison Co Reg I Special Education Cooperative | Granite City | |
| Madison County Voc Adj Counseling | Edwardsville | |
| Madison ROE | Edwardsville | 0 |
| Maercker SD 60 | Westmont | 1,430 |
| Mahomet-Seymour CUSD 3 | Mahomet | 3,468 |
| Maine Township HSD 207 | Park Ridge | 6,272 |
| Malden CCSD 84 | Malden | 79 |
| Manhattan SD 114 | Manhattan | 2,011 |
| Mannheim SD 83 | Franklin Park | 2,338 |
| Manteno CUSD 5 | Manteno | 1,801 |
| Marengo CHSD 154 | Marengo | 685 |
| Marengo-Union E Consolidated D 165 | Marengo | 1,092 |
| Marion CUSD 2 | Marion | 3,684 |
| Marion/Clinton/Wash Co CTES | Salem | |
| Marissa CUSD 40 | Marissa | 492 |
| Maroa Forsyth CUSD 2 | Maroa | 1,212 |
| Marquardt SD 15 | Glendale Hts | 2,310 |
| Marseilles ESD 150 | Marseilles | 528 |
| Marshall CUSD 2C | Marshall | 1,181 |
| Martinsville CUSD 3C | Martinsville | 384 |
| Mascoutah CUD 19 | Mascoutah | 4,345 |
| Mason/Tazewell/Woodford ROE | East Peoria | 0 |
| Massac UD 1 | Metropolis | 1,826 |
| Matteson ESD 162 | Richton Park | 2,405 |
| Mattoon CUSD 2 | Mattoon | 2,983 |
| Maywood-Melrose Park-Broadview 89 | Melrose Park | 4,081 |
| Mazon-Verona-Kinsman ESD 2C | Mazon | 316 |
| McClellan CCSD 12 | Mount Vernon | 56 |
| McHenry CCSD 15 | Mchenry | 4,025 |
| McHenry CHSD 156 | McHenry | 2,214 |
| McHenry Co Cooperative for Employ Education | Mchenry | |
| McHenry ROE | Mchenry | 0 |
| McLean County USD 5 | Normal | 12,407 |
| McLean/Dewitt Reg Voc System | Bloomington | |
| Medinah SD 11 | Roselle | 744 |
| Menard/Sangamon ROE | Springfield | 0 |
| Mendota CCSD 289 | Mendota | 1,042 |
| Mendota Township HSD 280 | Mendota | 493 |
| Mercer County School District 404 | Joy | 1,274 |
| Meredosia-Chambersburg CUSD 11 | Meredosia | 212 |
| Meridian CUSD 101 | Mounds | 419 |
| Meridian CUSD 15 | Macon | 942 |
| Meridian CUSD 223 | Stillman Valley | 1,469 |
| Metamora CCSD 1 | Metamora | 829 |
| Mid-State Special Education Jnt Agr | Morrisonville | |
| Mid-Valley Special Ed Cooperative | St Charles | |
| Midland CUSD 7 | Sparland | 657 |
| Midlothian SD 143 | Midlothian | 1,620 |
| Midwest Central CUSD 191 | Manito | 848 |
| Milford Area PSD 124 | Milford | 504 |
| Millburn CCSD 24 | Old Mill Creek | 1,099 |
| Miller Township CCSD 210 | Marseilles | 195 |
| Millstadt CCSD 160 | Millstadt | 699 |
| Minooka CCSD 201 | Minooka | 4,361 |
| Minooka CHSD 111 | Channahon | 2,918 |
| Mokena SD 159 | Mokena | 1,557 |
| Moline-Coal Valley CUSD 40 | Moline | 7,257 |
| Momence CUSD 1 | Momence | 970 |
| Monmouth-Roseville CUSD 238 | Monmouth | 1,579 |
| Monroe SD 70 | Bartonville | 274 |
| Monroe/Randolph ROE | Red Bud | 0 |
| Monticello CUSD 25 | Monticello | 1,707 |
| Montmorency CCSD 145 | Rock Falls | 209 |
| Moraine Area Career System | Oak Lawn | |
| Morris CHSD 101 | Morris | 926 |
| Morris SD 54 | Morris | 1,082 |
| Morrison CUSD 6 | Morrison | 973 |
| Morrisonville CUSD 1 | Morrisonville | 287 |
| Morton CUSD 709 | Morton | 3,247 |
| Morton Grove SD 70 | Morton Grove | 885 |
| Morton Regional Del Sys | Berwyn | |
| Mount Olive CUSD 5 | Mount Olive | 479 |
| Mount Prospect SD 57 | Mt Prospect | 2,105 |
| Mount Vernon SD 80 | Mount Vernon | 1,445 |
| Mt Pulaski CUSD 23 | Mount Pulaski | 547 |
| Mt Vernon Township HSD 201 | Mount Vernon | 1,233 |
| Mt Zion CUSD 3 | Mt Zion | 2,427 |
| Mulberry Grove CUSD 1 | Mulberry Grove | 302 |
| Mundelein Consolidated HSD 120 | Mundelein | 2,282 |
| Mundelein ESD 75 | Mundelein | 1,570 |
| Murphysboro CUSD 186 | Murphysboro | 1,877 |
| N Pekin & Marquette Hght SD 102 | Marquette Heights | 453 |
| NPT Special Education Cooperative | Pana | |
| NW Education Cncl for Student Success | Arlington Heights | |
| NW Suburban Special Education Org | Mt Prospect | |
| Naperville CUSD 203 | Naperville | 16,047 |
| Nashville CCSD 49 | Nashville | 622 |
| Nashville CHSD 99 | Nashville | 359 |
| Nauvoo-Colusa CUSD 325 | Nauvoo | 208 |
| Neoga CUSD 3 | Neoga | 521 |
| Nettle Creek CCSD 24C | Morris | 77 |
| New Athens CUSD 60 | New Athens | 488 |
| New Berlin CUSD 16 | New Berlin | 863 |
| New Holland-Middletown ED 88 | Middletown | 70 |
| New Hope CCSD 6 | Fairfield | 204 |
| New Lenox SD 122 | New Lenox | 4,956 |
| New Simpson Hill SD 32 | Tunnel Hill | 228 |
| New Trier Township HSD 203 | Northfield | 3,656 |
| Newark CCSD 66 | Newark | 205 |
| Newark CHSD 18 | Newark | 175 |
| Niles ESD 71 | Niles | 666 |
| Niles Township District for Special Education | Morton Grove | 0 |
| Niles Township HSD 219 | Skokie | 4,645 |
| Nippersink SD 2 | Richmond | 1,111 |
| Nokomis CUSD 22 | Nokomis | 601 |
| Norridge SD 80 | Norridge | 1,111 |
| Norris City-Omaha-Enfield CUSD 3 | Norris City | 611 |
| North Boone CUSD 200 | Poplar Grove | 1,470 |
| North Chicago SD 187 | North Chicago | 3,637 |
| North Clay CUSD 25 | Louisville | 557 |
| North DuPage Sp Ed Cooperative | Roselle | |
| North Greene CUSD 3 | White Hall | 837 |
| North Mac CUSD 34 | Girard | 1,155 |
| North Palos SD 117 | Palos Hills | 3,350 |
| North Shore SD 112 | Highwood | 3,730 |
| North Suburban Education Reg for Voc | Park Ridge | |
| North Wamac SD 186 | Centralia | 122 |
| North Wayne CUSD 200 | Cisne | 392 |
| Northbrook ESD 27 | Northbrook | 1,340 |
| Northbrook SD 28 | Northbrook | 1,828 |
| Northbrook/Glenview SD 30 | Northbrook | 1,250 |
| Northern Kane Co Reg Voc System | Burlington | |
| Northwest Sp Ed Cooperative | Elizabeth | |
| Northwestern CUSD 2 | Palmyra | 323 |
| Northwestern Illinois Assn | Sycamore | |
| Norwood ESD 63 | Peoria | 374 |
| O Fallon CCSD 90 | O Fallon | 3,862 |
| O Fallon Township HSD 203 | O Fallon | 2,540 |
| Oak Grove SD 68 Bartonville | Bartonville | 285 |
| Oak Grove SD 68 Green Oaks | Libertyville | 911 |
| Oak Lawn CHSD 229 | Oak Lawn | 1,867 |
| Oak Lawn-Hometown SD 123 | Oak Lawn | 3,395 |
| Oak Park - River Forest SD 200 | Oak Park | 3,307 |
| Oak Park ESD 97 | Oak Park | 5,560 |
| Oakdale CCSD 1 | Oakdale | 58 |
| Oakland CUSD 5 | Oakland | 246 |
| Oakwood CUSD 76 | Oakwood | 829 |
| Oblong CUSD 4 | Oblong | 526 |
| Odell CCSD 435 | Odell | 155 |
| Odin PSD 722 | Odin | 259 |
| Ogle Co Education Cooperative | Byron | 0 |
| Oglesby ESD 125 | Oglesby | 444 |
| Ohio & Wabash Valley Reg Voc Sys | Norris City | |
| Ohio CCSD 17 | Ohio | 85 |
| Ohio CHSD 505 | Ohio | 22 |
| Okaw Regional Voc System | Chester | |
| Okaw Valley CUSD 302 | Bethany | 456 |
| Olympia CUSD 16 | Stanford | 1,740 |
| Opdyke-Belle-Rive CCSD 5 | Opdyke | 122 |
| Orangeville CUSD 203 | Orangeville | 330 |
| Oregon CUSD 220 | Oregon | 1,406 |
| Orion CUSD 223 | Orion | 963 |
| Orland SD 135 | Orland Park | 5,186 |
| Ottawa ESD 141 | Ottawa | 1,747 |
| Ottawa Township HSD 140 | Ottawa | 1,223 |
| Palatine CCSD 15 | Palatine | 11,321 |
| Palestine CUSD 3 | Palestine | 354 |
| Palos CCSD 118 | Palos Park | 2,122 |
| Palos Heights SD 128 | Palos Heights | 830 |
| Pana CUSD 8 | Pana | 1,159 |
| Panhandle CUSD 2 | Raymond | 437 |
| Paris CUSD 4 | Paris | 622 |
| Paris Cooperative High School | Paris | 0 |
| Paris-Union SD 95 | Paris | 1,231 |
| Park Forest SD 163 | Park Forest | 1,524 |
| Park Ridge CCSD 64 | Niles | 4,654 |
| Patoka CUSD 100 | Patoka | 201 |
| Paw Paw CUSD 271 | Paw Paw | 129 |
| Pawnee CUSD 11 | Pawnee | 572 |
| Paxton-Buckley-Loda CUD 10 | Paxton | 1,230 |
| Payson CUSD 1 | Payson | 449 |
| Pearl City CUSD 200 | Pearl City | 418 |
| Pecatonica CUSD 321 | Pecatonica | 889 |
| Pekin CSD 303 | Pekin | 1,712 |
| Pekin PSD 108 | Pekin | 3,126 |
| Pembroke CCSD 259 | Pembroke Township | 193 |
| Pennoyer SD 79 | Norridge | 419 |
| Peoria Education Reg for Empl Traing | Peoria | |
| Peoria Heights CUSD 325 | Peoria Heights | 703 |
| Peoria ROE | Peoria | 0 |
| Peoria SD 150 | Peoria | 12,913 |
| Peotone CUSD 207U | Peotone | 1,280 |
| Perandoe Special Education District | Red Bud | |
| Peru ESD 124 | Peru | 966 |
| Philip J Rock Center and School | Glen Ellyn | |
| Pikeland CUSD 10 | Pittsfield | 1,200 |
| Pinckneyville CHSD 101 | Pinckneyville | 403 |
| Pinckneyville SD 50 | Pinckneyville | 503 |
| Plainfield SD 202 | Plainfield | 24,556 |
| Plano Area Special Ed Cooperative | Plano | |
| Plano CUSD 88 | Plano | 2,398 |
| Pleasant Hill CUSD 3 | Pleasant Hill | 353 |
| Pleasant Hill SD 69 | Peoria | 164 |
| Pleasant Plains CUSD 8 | Pleasant Plains | 1,294 |
| Pleasant Valley SD 62 | Peoria | 414 |
| Pleasantdale SD 107 | Burr Ridge | 818 |
| Polo CUSD 222 | Polo | 594 |
| Pontiac CCSD 429 | Pontiac | 1,135 |
| Pontiac Township HSD 90 | Pontiac | 658 |
| Pontiac-W Holliday SD 105 | Fairview Heights | 630 |
| Pope Co CUD 1 | Golconda | 442 |
| Porta CUSD 202 | Petersburg | 1,034 |
| Posen-Robbins ESD 143-5 | Posen | 1,286 |
| Potomac CUSD 10 | Potomac | 137 |
| Prairie Central CUSD 8 | Fairbury | 1,712 |
| Prairie Crossing Charter School | Grayslake | 433 |
| Prairie Du Rocher CCSD 134 | Prairie Du Rocher | 114 |
| Prairie Grove CSD 46 | Crystal Lake | 909 |
| Prairie Hill CCSD 133 | South Beloit | 795 |
| Prairie-Hills ESD 144 | Markham | 2,473 |
| Prairieview-Ogden CCSD 197 | Royal | 275 |
| Princeton ESD 115 | Princeton | 1,091 |
| Princeton HSD 500 | Princeton | 479 |
| Princeville CUSD 326 | Princeville | 642 |
| Prophetstown-Lyndon-Tampico CUSD3 | Prophetstown | 738 |
| Prospect Heights SD 23 | Prospect Heights | 1,476 |
| Proviso Area Exceptional Child | Maywood | |
| Proviso Township HSD 209 | Forest Park | 4,458 |
| Putnam County CUSD 535 | Granville | 773 |
| Quad City Career and Tech Ed Consolidated | East Moline | |
| Queen Bee SD 16 | Glendale Heights | 1,608 |
| Quincy SD 172 | Quincy | 6,264 |
| R O W V A CUSD 208 | Oneida | 617 |
| Raccoon Consolidated SD 1 | Centralia | 204 |
| Ramsey CUSD 204 | Ramsey | 393 |
| Rankin CSD 98 | Pekin | 196 |
| Rantoul City SD 137 | Rantoul | 1,656 |
| Rantoul Township HSD 193 | Rantoul | 901 |
| Reavis Township HSD 220 | Burbank | 1,930 |
| Red Bud CUSD 132 | Red Bud | 978 |
| Red Hill CUSD 10 | Bridgeport | 903 |
| Reed Custer CUSD 255U | Braidwood | 1,393 |
| Region 05 North Cook ISC 1 | Des Plaines | 0 |
| Region 06 West Cook ISC 2 | Maywood | 0 |
| Region 07 South Cook ISC 4 | Chicago Heights | 0 |
| Region III Special Ed Cooperative | Cottage Hills | 0 |
| Regional Office of Car/Tech Education | Springfield | |
| Rend Lake Area Reg Del System | Mount Vernon | |
| Rhodes SD 84-5 | River Grove | 499 |
| Rich Township HSD 227 | Matteson | 2,433 |
| Richland County CUSD 1 | Olney | 2,145 |
| Richland GSD 88A | Crest Hill | 774 |
| Richmond-Burton CHSD 157 | Richmond | 521 |
| Ridgeland SD 122 | Oak Lawn | 2,394 |
| Ridgeview CUSD 19 | Colfax | 520 |
| Ridgewood CHSD 234 | Norridge | 988 |
| Riley CCSD 18 | Marengo | 277 |
| River Bend CUSD 2 | Fulton | 998 |
| River Forest SD 90 | River Forest | 1,333 |
| River Grove SD 85-5 | River Grove | 722 |
| River Ridge CUSD 210 | Hanover | 443 |
| River Trails SD 26 | Mt Prospect | 1,462 |
| Riverdale CUSD 100 | Port Byron | 1,095 |
| Riverside SD 96 | Riverside | 1,794 |
| Riverside-Brookfield Township SD 208 | Riverside | 1,663 |
| Riverton CUSD 14 | Riverton | 1,219 |
| Riverview CCSD 2 | East Peoria | 220 |
| Roanoke Benson CUSD 60 | Roanoke | 449 |
| Robein SD 85 | East Peoria | 150 |
| Robinson CUSD 2 | Robinson | 1,537 |
| Rochelle CCSD 231 | Rochelle | 1,597 |
| Rochelle Township HSD 212 | Rochelle | 859 |
| Rochester CUSD 3A | Rochester | 2,012 |
| Rock Falls ESD 13 | Rock Falls | 927 |
| Rock Falls Township HSD 301 | Rock Falls | 530 |
| Rock Island ROE | Moline | 0 |
| Rock Island SD 41 | Rock Island | 6,292 |
| Rockdale SD 84 | Rockdale | 257 |
| Rockford SD 205 | Rockford | 28,467 |
| Rockridge CUSD 300 | Taylor Ridge | 1,082 |
| Rockton SD 140 | Rockton | 1,579 |
| Rome CCSD 2 | Dix | 286 |
| Rondout SD 72 | Lake Forest | 151 |
| Rooks Creek CCSD 425 | Graymont | 52 |
| Roselle SD 12 | Roselle | 707 |
| Rosemont ESD 78 | Rosemont | 221 |
| Rossville-Alvin CUSD 7 | Rossville | 409 |
| Round Lake CUSD 116 | Round Lake | 6,103 |
| Roxana CUSD 1 | Roxana | 1,708 |
| Rural Champaign Co Special Ed Cooperative | Champaign | |
| Rutland CCSD 230 | Ottawa | 70 |
| S Will Co Cooperative for Special Ed | Joliet | |
| SD 45 DuPage County | Villa Park | 3,162 |
| SD U-46 | Elgin | 34,036 |
| Saint Clair ROE | Belleville | 0 |
| Salem CHSD 600 | Salem | 706 |
| Salem SD 111 | Salem | 949 |
| Salt Creek SD 48 | Villa Park | 499 |
| Salt Fork CUSD 512 | Catlin | 878 |
| Sandoval CUSD 501 | Sandoval | 429 |
| Sandridge SD 172 | Lynwood | 423 |
| Sandwich CUSD 430 | Sandwich | 1,872 |
| Sangamon Area Special Ed District | Springfield | |
| Sangamon Valley CUSD 9 | Niantic | 634 |
| Saratoga CCSD 60C | Morris | 786 |
| Saunemin CCSD 438 | Saunemin | 102 |
| Scales Mound CUSD 211 | Scales Mound | 257 |
| Schaumburg CCSD 54 | Schaumburg | 15,298 |
| Schiller Park SD 81 | Schiller Park | 1,344 |
| School Assn For Special Education | Lisle | |
| Schuyler-Industry CUSD 5 | Rushville | 843 |
| Scott-Morgan CUSD 2 | Bluffs | 169 |
| Selmaville CCSD 10 | Salem | 223 |
| Seneca CCSD 170 | Seneca | 465 |
| Seneca Township HSD 160 | Seneca | 378 |
| Serena CUSD 2 | Serena | 611 |
| Sesser-Valier CUSD 196 | Sesser | 548 |
| Shawnee CUSD 84 | Wolf Lake | 270 |
| Shelbyville CUSD 4 | Shelbyville | 1,248 |
| Sherrard CUSD 200 | Sherrard | 1,305 |
| Shiloh CUSD 1 | Hume | 362 |
| Shiloh Village SD 85 | Shiloh | 576 |
| Shirland CCSD 134 | Shirland | 99 |
| Signal Hill SD 181 | Belleville | 291 |
| Silvis SD 34 | East Moline | 591 |
| Skokie SD 68 | Skokie | 1,809 |
| Skokie SD 69 | Skokie | 1,842 |
| Skokie SD 73-5 | Skokie | 1,065 |
| Smithton CCSD 130 | Smithton | 541 |
| Somonauk CUSD 432 | Somonauk | 771 |
| South Central CUD 401 | Kinmundy | 592 |
| South Eastern Sp Ed Program | Newton | 0 |
| South Fork SD 14 | Kincaid | 284 |
| South Holland SD 150 | South Holland | 784 |
| South Holland SD 151 | South Holland | 1,319 |
| South Macoupin Association | Staunton | |
| South Pekin SD 137 | South Pekin | 180 |
| South Wilmington CCSD 74 | Kankakee | 73 |
| Southeastern CUSD 337 | Augusta | 429 |
| Southland College Prep Chtr High School | Richton Park | 584 |
| Southwest Cook Cooperative Special Ed | Oak Forest | |
| Southwestern CUSD 9 | Brighton | 1,149 |
| Southwestern Illinois Career & TE | O Fallon | |
| Sparta CUSD 140 | Sparta | 1,153 |
| Special Ed District of McHenry Co-Sedom | Woodstock | |
| Special Education Assoc of Adams County | Quincy | |
| Special Education Assoc of Peoria County | Peoria | |
| Special Education District Lake County/Sedol | Grayslake | 0 |
| Speed SEJA #802 | Chicago Heights | |
| Spoon River Valley CUSD 4 | London Mills | 236 |
| Spring Garden CCSD 178 | Mount Vernon | 217 |
| Spring Lake CCSD 606 | Manito | 55 |
| Spring Valley CCSD 99 | Spring Valley | 632 |
| Springfield SD 186 | Springfield | 13,014 |
| St Charles CUSD 303 | Saint Charles | 11,731 |
| St Clair ROE Special Education | Belleville | |
| St Elmo CUSD 202 | Saint Elmo | 390 |
| St George CCSD 258 | Bourbonnais | 395 |
| St Joseph CCSD 169 | Saint Joseph | 748 |
| St Joseph Ogden CHSD 305 | Saint Joseph | 457 |
| St Libory Consolidated SD 30 | St. Libory | 65 |
| St Rose SD 14-15 | St. Rose | 167 |
| St. Anne Unit District 24 | Saint Anne | 472 |
| Stark County CUSD 100 | Wyoming | 669 |
| Starved Rock for Voc Tech Ed | Peru | |
| Staunton CUSD 6 | Staunton | 1,165 |
| Steeleville CUSD 138 | Steeleville | 471 |
| Steger SD 194 | Steger | 1,507 |
| Sterling CUSD 5 | Sterling | 3,253 |
| Steward ESD 220 | Steward | 57 |
| Stewardson-Strasburg CUD 5A | Strasburg | 433 |
| Stockton CUSD 206 | Stockton | 490 |
| Streator ESD 44 | Streator | 1,511 |
| Streator Township HSD 40 | Streator | 764 |
| Sullivan CUSD 300 | Sullivan | 1,148 |
| Summersville SD 79 | Mount Vernon | 283 |
| Summit Hill SD 161 | Frankfort | 2,333 |
| Summit SD 104 | Summit | 1,435 |
| Sunnybrook SD 171 | Lansing | 1,025 |
| Sunset Ridge SD 29 | Northfield | 515 |
| Sycamore CUSD 427 | Sycamore | 3,720 |
| Taft SD 90 | Lockport | 272 |
| Tamaroa School District 5 | Tamaroa | 100 |
| Taylorville CUSD 3 | Taylorville | 2,172 |
| Tazewell Co Area EFE RDS | Pekin | |
| Tazewell-Mason Cntys Sp Ed Assoc | Pekin | |
| Teutopolis CUSD 50 | Teutopolis | 1,125 |
| Thomasboro CCSD 130 | Thomasboro | 148 |
| Thompsonville CUSD 174 | Thompsonville | 294 |
| Thornton Fractional Township HSD 215 | Lansing | 3,228 |
| Thornton SD 154 | Thornton | 249 |
| Thornton Township HSD 205 | South Holland | 4,509 |
| Three Rivers EFE System | Joliet | |
| Tolono CUSD 7 | Tolono | 1,487 |
| Tonica CCSD 79 | Tonica | 98 |
| Township HSD 211 | Palatine | 12,458 |
| Township HSD 214 | Arlington Heights | 11,911 |
| Tremont CUSD 702 | Tremont | 883 |
| Tri City CUSD 1 | Buffalo | 564 |
| Tri Point CUSD 6-J | Kempton | 343 |
| Tri Valley CUSD 3 | Downs | 1,074 |
| Tri-County Sp Ed Jnt Agreement | Murphysboro | 0 |
| Tri-County Special Education Assoc | Bloomington | |
| Triad CUSD 2 | Troy | 4,009 |
| Trico CUSD 176 | Campbell Hill | 879 |
| Triopia CUSD 27 | Concord | 390 |
| Troy CCSD 30C | Plainfield | 3,971 |
| TrueNorth Educl Cooprtv 804 | Highland Park | 0 |
| Tuscola CUSD 301 | Tuscola | 904 |
| Twin Rivers Career & Tech Ed Sys | Robinson | |
| Two Rivers Career Education System | Virginia | |
| Township HSD 113 | Highland Park | 3,098 |
| Union Ridge SD 86 | Harwood Heights | 664 |
| Union SD 81 | Joliet | 143 |
| United CUSD 304 | Monmouth | 1,008 |
| United Township HSD 30 | East Moline | 1,862 |
| Unity Point CCSD 140 | Carbondale | 620 |
| University of Ill Lab School | Urbana | 319 |
| Urbana SD 116 | Urbana | 4,197 |
| V I T CUSD 2 | Table Grove | 327 |
| Valley Education for Employ System | Sugar Grove | |
| Valley View CUSD 365U | Romeoville | 14,710 |
| Valmeyer CUSD 3 | Valmeyer | 335 |
| Vandalia CUSD 203 | Vandalia | 1,465 |
| Venice CUSD 3 | Venice | 62 |
| Vermilion Assoc for Special Education | Danville | |
| Vermilion ROE | Danville | 0 |
| Vermilion Voc Ed Deliver System | Danville | |
| Vienna HSD 133 | Vienna | 332 |
| Vienna SD 55 | Vienna | 386 |
| Villa Grove CUSD 302 | Villa Grove | 599 |
| Virginia CUSD 64 | Virginia | 336 |
| W Harvey-Dixmoor PSD 147 | Harvey | 814 |
| Wabash & Ohio Valley Sp Ed District | Norris City | |
| Wabash CUSD 348 | Mount Carmel | 1,382 |
| Wallace CCSD 195 | Ottawa | 420 |
| Waltham CCSD 185 | Utica | 246 |
| Waltonville CUSD 1 | Waltonville | 310 |
| Warren CUSD 205 | Warren | 363 |
| Warren Township HSD 121 | Gurnee | 3,537 |
| Warrensburg-Latham CUSD 11 | Warrensburg | 1,014 |
| Warsaw CUSD 316 | Warsaw | 398 |
| Washington CHSD 308 | Washington | 1,399 |
| Washington SD 52 | Washington | 820 |
| Waterloo CUSD 5 | Waterloo | 2,767 |
| Wauconda CUSD 118 | Wauconda | 4,186 |
| Waukegan CUSD 60 | Waukegan | 13,640 |
| Waverly CUSD 6 | Waverly | 329 |
| Wayne City CUSD 100 | Wayne City | 477 |
| Wesclin CUSD 3 | Trenton | 1,288 |
| West Carroll CUSD 314 | Mount Carroll | 839 |
| West Central CUSD 235 | Biggsville | 752 |
| West Central IL Special Education Cooperative | Macomb | |
| West Central Regional System | Quincy | |
| West Chicago ESD 33 | West Chicago | 3,233 |
| West Lincoln-Broadwell ESD 92 | Lincoln | 217 |
| West Northfield SD 31 | Northbrook | 1,010 |
| West Prairie CUSD 103 | Colchester | 573 |
| West Washington Co CUD 10 | Okawville | 521 |
| Westchester SD 92-5 | Westchester | 1,041 |
| Western Area Career System 265 | Macomb | |
| Western CUSD 12 | Barry | 512 |
| Western Springs SD 101 | Western Springs | 1,416 |
| Westville CUSD 2 | Westville | 1,149 |
| Wethersfield CUSD 230 | Kewanee | 513 |
| Wheeling CCSD 21 | Wheeling | 6,298 |
| Whiteside Regional Voc System | Sterling | |
| Whiteside SD 115 | Belleville | 1,155 |
| Will County SD 92 | Lockport | 1,435 |
| Will ROE | Joliet | 0 |
| Williamsfield CUSD 210 | Williamsfield | 308 |