| H R McCall Elementary School | Waukegan | 396 |
| HSD 86 Adult Opportunties Pgm | Darien | 0 |
| Haber Oaks Campus | Crystal Lake | 0 |
| Hadley Junior High School | Glen Ellyn | 1,143 |
| Hadley Middle School | Homer Glen | 834 |
| Haines Elementary School | Chicago | 461 |
| Haines Elementary School | New Lenox | 358 |
| Hale Elementary School | Chicago | 791 |
| Haley Elementary Academy | Chicago | 458 |
| Half Day School | Lincolnshire | 633 |
| Hall Elementary School | Aurora | 512 |
| Hall High School | Spring Valley | 388 |
| Hamel Elementary School | Hamel | 126 |
| Hamilton County Jr/Sr High School | Mc Leansboro | 480 |
| Hamilton County Preschool Center | Mc Leansboro | 88 |
| Hamilton Elementary School | Chicago | 486 |
| Hamilton Elementary School | Moline | 560 |
| Hamilton Elementary School | Hamilton | 384 |
| Hamilton High School | Hamilton | 193 |
| Hamlin Upper Grade Center | Alsip | 182 |
| Hamline Elementary School | Chicago | 582 |
| Hammond Elementary School | Chicago | 259 |
| Hampshire Elementary School | Hampshire | 446 |
| Hampshire High School | Hampshire | 2,046 |
| Hampshire Middle School | Hampshire | 821 |
| Hampton Elementary Fine & Perf Arts School | Chicago | 463 |
| Hampton Elementary School | Hampton | 225 |
| Hancock College Preparatory High School | Chicago | 1,050 |
| Hannah Beardsley Middle School | Crystal Lake | 829 |
| Hanover Countryside Elementary School | Streamwood | 371 |
| Hanover Highlands Elementary School | Hanover Park | 543 |
| Hanson Park Elementary School | Chicago | 1,125 |
| Harbor Academy Reg Safe School Prg | Maywood | 0 |
| Hardin County Elementary School | Elizabethtown | 216 |
| Hardin County High School | Elizabethtown | 175 |
| Hardin County Junior High School | Elizabethtown | 107 |
| Harding Grade School | Earlville | 130 |
| Harding Primary School | Monmouth | 240 |
| Harlan Community Academy High School | Chicago | 220 |
| Harlem High School | Machesney Park | 1,884 |
| Harlem Middle School | Loves Park | 1,330 |
| Harmony Intermediate Center | Belleville | 207 |
| Harnew Elementary School | Oak Lawn | 512 |
| Harold B Dawson Middle School | West Peoria | 331 |
| Harper Elementary School | Wilmette | 366 |
| Harriet Gifford Elementary School | Elgin | 460 |
| Harriet Tubman Elementary School | Chicago | 308 |
| Harrisburg High School | Harrisburg | 491 |
| Harrisburg Middle School | Harrisburg | 382 |
| Harrison Elementary School | Wonder Lake | 447 |
| Harrison Street Elementary School | Geneva | 409 |
| Harry D Jacobs High School | Algonquin | 2,056 |
| Harry E Fry School | Burbank | 268 |
| Hartford Elementary School | Hartford | 172 |
| Hartsburg-Emden Jr-Sr High School | Hartsburg | 85 |
| Harvard Elementary School | Chicago | 335 |
| Harvard High School | Harvard | 815 |
| Harvard Junior High School | Harvard | 593 |
| Harvard Park Elementary School | Springfield | 370 |
| Haskell Elementary School | Rockford | 301 |
| Haugan Elementary School | Chicago | 1,065 |
| Havana High School | Havana | 249 |
| Havana Junior High School | Havana | 284 |
| Haven Middle School | Evanston | 660 |
| Hawthorn Aspen Elementary School | Vernon Hills | 313 |
| Hawthorn Elementary School | Salem | 421 |
| Hawthorn Elementary School North | Vernon Hills | 347 |
| Hawthorn Elementary School South | Vernon Hills | 505 |
| Hawthorn Middle School North | Vernon Hills | 627 |
| Hawthorn Middle School South | Vernon Hills | 609 |
| Hawthorn School for Young Learners | Vernon Hills | 248 |
| Hawthorn School of Dual Language | Vernon Hills | 413 |
| Hawthorn Townline Elementary School | Vernon Hills | 306 |
| Hawthorne Elementary Scholastic Academy | Chicago | 642 |
| Hawthorne Elementary School | Elmhurst | 568 |
| Hawthorne Elementary School | Wheaton | 185 |
| Hay Elementary Community Academy | Chicago | 247 |
| Hayt Elementary School | Chicago | 851 |
| Hazel Dell Elementary School | Springfield | 140 |
| Hazelgreen Elementary School | Alsip | 290 |
| Healy Elementary School | Chicago | 1,194 |
| Hearst Elementary School | Chicago | 285 |
| Heartland Elementary School | Geneva | 298 |
| Heartland Technical Academy | Decatur | 0 |
| Heather Hill Elementary School | Flossmoor | 319 |
| Hedding Grade School | Abingdon | 376 |
| Hedges Elementary School | Chicago | 502 |
| Hefferan Elementary School | Chicago | 214 |
| Heineman Middle School | Algonquin | 724 |
| Helen Keller Elementary School | Tinley Park | 426 |
| Helen Keller JHS | Schaumburg | 617 |
| Henderson Elementary School | Chicago | 246 |
| Hendricks Elementary Community Academy | Chicago | 217 |
| Henking Elementary School | Glenview | 470 |
| Henry Elementary School | Chicago | 445 |
| Henry Puffer School | Downers Grove | 271 |
| Henry Raab Elementary School | Belleville | 154 |
| Henry W Cowherd Middle School | Aurora | 807 |
| Henry W Longfellow Elementary School | Buffalo Grove | 510 |
| Henry Winkelman Elementary School | Glenview | 677 |
| Henry-Senachwine Grade School | Henry | 387 |
| Henry-Senachwine High School | Henry | 147 |
| Herget Middle School | Aurora | 594 |
| Heritage Elementary School | Streamwood | 359 |
| Heritage Grove Middle School | Plainfield | 841 |
| Heritage High School | Broadlands | 121 |
| Heritage Junior High and Elementary School | Homer | 270 |
| Heritage Lakes Elementary School | Carol Stream | 420 |
| Heritage Middle School | Summit | 447 |
| Heritage Middle School | Berwyn | 447 |
| Heritage Middle School | Lansing | 500 |
| Herman E Dummer | Sandwich | 275 |
| Hernandez Middle School | Chicago | 720 |
| Herrick Middle School | Downers Grove | 626 |
| Herrin C U S D 4 Elementary School | Herrin | 712 |
| Herrin High School | Herrin | 662 |
| Herrin Middle School | Herrin | 513 |
| Herscher High School | Herscher | 542 |
| Herscher Intermediate School | Herscher | 391 |
| Hersey HS-D/HH High School Program | Prospect Hts | |
| Herzl Elementary School | Chicago | 429 |
| Hester Junior High School | Franklin Park | 426 |
| Heyworth Elementary School | Heyworth | 472 |
| Heyworth Jr-Sr High School | Heyworth | 401 |
| Hiawatha Elementary School PreK-5 | Kirkland | 216 |
| Hiawatha Elementary School | Berwyn | 394 |
| Hiawatha Jr/Sr High School | Kirkland | 211 |
| Hibbard Elementary School | Chicago | 924 |
| Hickory Bend Elementary School | Glenwood | 277 |
| Hickory Creek Middle School | Frankfort | 943 |
| Hickory Grove Elementary School | Dunlap | 865 |
| Hickory Point Elementary School | Northbrook | 425 |
| Higgins Education Center | Hoffman Estates | 0 |
| Higgins Elementary Community Academy | Chicago | 271 |
| High Mount Elementary School | Swansea | 325 |
| High Point Elementary School | Orland Park | 504 |
| Highcrest Middle School | Wilmette | 748 |
| Highland Elementary School | Downers Grove | 352 |
| Highland Elementary School | Elgin | 616 |
| Highland Elementary School | Stillman Valley | 381 |
| Highland Elementary School | Highland | 504 |
| Highland Elementary School | Skokie | 316 |
| Highland High School | Highland | 844 |
| Highland Middle School | Highland | 616 |
| Highland Middle School | Libertyville | 701 |
| Highland Park High School | Highland Park | 1,661 |
| Highland Primary School | Highland | 544 |
| Highland School | Chicago Heights | 0 |
| Highlands Elementary School | La Grange Highlands | 565 |
| Highlands Elementary School | Hazel Crest | 311 |
| Highlands Elementary School | Naperville | 510 |
| Highlands Middle School | La Grange Highlands | 429 |
| Hill Elementary School | Aurora | 511 |
| Hillcrest Elementary School | Downers Grove | 382 |
| Hillcrest Elementary School | East Moline | 353 |
| Hillcrest Elementary School | Elgin | 509 |
| Hillcrest Elementary School | Antioch | 614 |
| Hillcrest High School | Country Club Hills | 1,100 |
| Hillsboro High School | Hillsboro | 419 |
| Hillsboro Junior High School | Hillsboro | 319 |
| Hillside Elementary School | Hillside | 440 |
| Hilltop Elementary School | McHenry | 424 |
| Hilltop Elementary School | Elgin | 521 |
| Hinckley-Big Rock Elementary School | Hinckley | 297 |
| Hinckley-Big Rock High School | Hinckley | 217 |
| Hinckley-Big Rock Middle School | Big Rock | 216 |
| Hines Primary School | Peoria | 403 |
| Hinsdale Central High School | Hinsdale | 2,445 |
| Hinsdale Middle School | Hinsdale | 755 |
| Hinsdale South High School | Darien | 1,370 |
| Hirsch Metropolitan High School | Chicago | 183 |
| Hitch Elementary School | Chicago | 495 |
| Hodgkins Elementary School | Hodgkins | 165 |
| Hoffman Elementary School | Glenview | 481 |
| Hoffman Estates High School | Hoffman Estates | 2,185 |
| Holden Elementary School | Chicago | 407 |
| Hollis Consolidated Grade School | Peoria | 147 |
| Hollywood Elementary School | Brookfield | 114 |
| Hollywood Heights | Caseyville | 0 |
| Holmes Elementary School | Chicago | 166 |
| Holmes Elementary School | Harvey | 270 |
| Holmes Elementary School | Clarendon Hills | 519 |
| Holmes Junior High School | Mount Prospect | 459 |
| Home Elementary School | Stickney | 256 |
| Homer Junior High School | Homer Glen | 865 |
| Homestead Elementary School | Aurora | 511 |
| Hometown Elementary School | Hometown | 338 |
| Homewood-Flossmoor High School | Flossmoor | 2,707 |
| Hononegah CHD High School | Rockton | 1,814 |
| Hoopeston Area High School | Hoopeston | 307 |
| Hoopeston Area Middle School | Hoopeston | 248 |
| Hoover Elementary School | Calumet City | 571 |
| Hoover Math and Science Academy | Schaumburg | 640 |
| Hoover Wood Elementary School | Batavia | 363 |
| Hope Academy | Decatur | 501 |
| Hope D Wall TMH Child Dev Center | Aurora | 0 |
| Horace Mann ELC | Rock Island | 387 |
| Horace Mann Elementary School | Oak Park | 419 |
| Horace Mann School | Blue Island | 182 |
| Horizon Elementary School | Hanover Park | 436 |
| Horizon Sci Academy - Southwest Chtr | Chicago | 712 |
| Horizon Science Acad-Belmont | Chicago | 785 |
| Horizon Science Acad-McKinley Pk | Chicago | 873 |
| Hough Street Elementary School | Barrington | 244 |
| Howard B Thomas Grade School | Burlington | 678 |
| Howe Elementary School | Chicago | 341 |
| Howe Elementary School | Beach Park | 318 |
| Hoyleton Education Center | Centralia | |
| Hoyne Elementary School | Chicago | 230 |
| Hubbard High School | Chicago | 1,710 |
| Hubbard Woods Elementary School | Winnetka | 350 |
| Hubble Middle School | Warrenville | 679 |
| Hubert H Humphrey Middle School | Bolingbrook | 596 |
| Hudson Elementary School | Hudson | 216 |
| Huff Elementary School | Elgin | 577 |
| Huffman Elementary School | Cahokia | 268 |
| Hufford Junior High School | Joliet | 1,072 |
| Hughes C Elementary School | Chicago | 169 |
| Hughes L Elementary School | Chicago | 431 |
| Hunt Club Elementary | Oswego | 357 |
| Hunting Ridge Elementary School | Palatine | 639 |
| Huntley High School | Huntley | 2,804 |
| Huntley Middle School | Dekalb | 865 |
| Hurley Elementary School | Chicago | 748 |
| Husmann Elementary School | Crystal Lake | 518 |
| Hutsonville Elementary and Junior High School | Hutsonville | 190 |
| Hutsonville High School | Hutsonville | 77 |
| Hyde Park Academy High School | Chicago | 838 |
| Hyde Park Elementary School | Waukegan | 295 |
| Hynes Elementary School | Morton Grove | 325 |
| I Kan Regional Alternatve Att Center | Kankakee | 0 |
| IHSCA Charter High School | Chicago | 567 |
| IJLA Charter High School | Chicago | 95 |
| IL Center for Rehab & Educ-R | Chicago | 0 |
| IVC Learning Center | Chillicothe | 0 |
| IVC Transition Center | Chillicothe | 0 |
| IYC Chicago | Chicago | 37 |
| Ideal Elementary School | Countryside | 258 |
| Il School for the Visually Impaired | Jacksonville | 0 |
| Il Valley Central High School | Chillicothe | 650 |
| Il Youth Center - Pere Marquette | Grafton | 12 |
| Iles Elementary School | Springfield | 414 |
| Illini Bluffs Elementary School | Glasford | 425 |
| Illini Bluffs High School | Glasford | 249 |
| Illini Bluffs Middle School | Glasford | 181 |
| Illini Central Grade School | Mason City | 264 |
| Illini Central High School | Mason City | 172 |
| Illini Central Middle School | Mason City | 139 |
| Illini Elementary School | Fairview Heights | 315 |
| Illini West High School | Carthage | 349 |
| Illinois City Elementary School | Illinois City | 108 |
| Illinois Mathematics and Science | Aurora | 656 |
| Illinois Park Elementary School | Elgin | 0 |
| Illinois School | Park Forest | 391 |
| Illinois School for the Deaf | Jacksonville | 0 |
| Illinois Youth Center-Warrenville | Naperville | 34 |
| Independence Elementary School | Bolingbrook | 617 |
| Independence Junior High School | Palos Heights | 236 |
| Independence Preschool | Bartlett | 0 |
| Indian Creek Elementary School | Shabbona | 269 |
| Indian Creek High School | Shabbona | 268 |
| Indian Creek Middle School | Waterman | 213 |
| Indian Grove Elementary School | Mount Prospect | 435 |
| Indian Hill | Palos Heights | 183 |
| Indian Hill Elementary School | Round Lake Heights | 529 |
| Indian Knoll Elementary School | West Chicago | 375 |
| Indian Prairie Elementary School | Crystal Lake | 496 |
| Indian Trail Elementary School | Highland Park | 472 |
| Indian Trail Elementary School | Downers Grove | 325 |
| Indian Trail Elementary School | Frankfort | 466 |
| Indian Trail Junior High School | Addison | 1,111 |
| Indian Trail Middle School | Plainfield | 520 |
| Indian Valley Area Voc Center | Sandwich | 0 |
| Indiana Elementary School | Park Forest | 215 |
| Infinity Math Science & Tech High School | Chicago | 427 |
| Ingersoll Middle School | Canton | 631 |
| Innovation Academy | Mchenry | 0 |
| Innovative Pathways Program | O Fallon | 0 |
| Inter-American Elementary Magnet School | Chicago | 616 |
| International Prep Academy | Champaign | 681 |
| Intrinsic 2 Charter High School | Chicago | 734 |
| Intrinsic Charter High School | Chicago | 993 |
| Irene King Elementary School | Romeoville | 533 |
| Iroquois Community School | Des Plaines | 411 |
| Iroquois West Elementary Sch/Danforth | Danforth | 92 |
| Iroquois West Elementary Sch/Thawville | Thawville | 104 |
| Iroquois West Elementary School/Gilman | Gilman | 159 |
| Iroquois West High School | Gilman | 284 |
| Iroquois West Middle School | Onarga | 215 |
| Irving Elementary School | Berwyn | 415 |
| Irving Elementary School | Chicago | 310 |
| Irving Elementary School | Kewanee | 242 |
| Irving Elementary School | Oak Park | 509 |
| Irving Elementary School | Bloomington | 303 |
| Irving Middle School | Maywood | 515 |
| Irvington Elementary School | Irvington | 64 |
| Isaac Fox Elementary School | Lake Zurich | 520 |
| Isaac Singleton Elementary School | Joliet | 304 |
| Iuka Comm Consolidated School | Iuka | 231 |
| Ivan K Garrison Center | Jacksonville | 0 |
| Ivy Hall Elementary School | Buffalo Grove | 482 |
| Ivy Hill Elementary School | Arlington Heights | 593 |
| J B Conant High School | Hoffman Estates | 2,633 |
| J B Kennedy Elementary School | Burbank | 295 |
| J B Nelson Elementary School | Batavia | 482 |
| J Covington Elementary School | Oak Lawn | 470 |
| J Emmett Hinchcliffe Sr Elementary School | O Fallon | 452 |
| J Giles Elementary School | Norridge | 499 |
| J L Buford Intermediate Ed Center | Mount Vernon | 260 |
| J L Hensey Elementary School | Washington | 262 |
| J Leigh Elementary School | Norridge | 612 |
| J M Hannum Elementary School | Oak Lawn | 410 |
| J Sterling Morton Alternative School | Cicero | 0 |
| J Sterling Morton East High School | Cicero | 3,394 |
| J Sterling Morton Freshman Cntr | Cicero | 941 |
| J Sterling Morton West High School | Berwyn | 3,374 |
| J T Manning Elementary School | Westmont | 386 |
| J W Eater Junior High School | Rantoul | 477 |
| J W Riley Elementary School | Arlington Heights | 319 |
| J W Riley Intermediate School | Northlake | 320 |
| J W Robinson Jr Elementary School | Lyons | 251 |
| Jack Benny Middle School | Waukegan | 475 |
| Jack Hille Middle School | Oak Forest | 490 |
| Jack London Middle School | Wheeling | 628 |
| Jackson Charter School | Rockford | 243 |
| Jackson Elementary School | Elmhurst | 422 |
| Jackson M Elementary School | Chicago | 305 |
| Jackson Middle School | Villa Park | 621 |
| Jackson/Perry MS TAOEP | Murphysboro | 0 |
| Jacksonville High School | Jacksonville | 890 |
| Jacksonville Middle School | Jacksonville | 680 |
| Jahn Elementary School | Chicago | 360 |
| James Avant Elementary School | Washington Pk | 342 |
| James Farmer Jr. Elementary | Chicago | 321 |
| James Hart School | Homewood | 681 |
| James R Doolittle Academy | Chicago | 257 |
| James R Wood Elementary School | Somonauk | 298 |
| Jamie McGee Elementary School | Bolingbrook | 487 |
| Jamieson Elementary School | Chicago | 825 |
| Jane Addams Elementary School | Melrose Park | 385 |
| Jane Addams Elementary School | Palatine | 567 |
| Jane Addams Elementary School | Springfield | 243 |
| Jane Addams Elementary School | Moline | 299 |
| Jane Addams JHS | Schaumburg | 695 |
| Jane Addams Middle School | Bolingbrook | 548 |
| Jane Stenson School | Skokie | 365 |
| Jasper Co Junior High | Newton | 176 |
| Jasper Elementary School | Fairfield | 170 |
| Jay Stream Middle School | Carol Stream | 572 |
| Je-Neir Elementary School | Momence | 328 |
| Jean McNair Elementary School | Winnebago | 252 |
| Jefferson Attendance Center | Carmi | 158 |
| Jefferson Early Childhood Center | Wheaton | 302 |
| Jefferson Early Childhood Center | Moline | 130 |
| Jefferson Elementary School | Belleville | 293 |
| Jefferson Elementary School | Berwyn | 453 |
| Jefferson Elementary School | Charleston | 698 |
| Jefferson Elementary School | Chicago Heights | 157 |
| Jefferson Elementary School | Dekalb | 308 |
| Jefferson Elementary School | Dixon | 344 |
| Jefferson Elementary School | Elmhurst | 329 |
| Jefferson Elementary School | Harvard | 319 |
| Jefferson Elementary School | Johnston City | 270 |
| Jefferson Elementary School | Marion | 376 |
| Jefferson Elementary School | Metropolis | 114 |
| Jefferson Elementary School | Morton | 354 |
| Jefferson Elementary School | Ottawa | 304 |
| Jefferson Elementary School | Pekin | 290 |
| Jefferson Elementary School | Princeton | 220 |
| Jefferson Elementary School | Sterling | 450 |
| Jefferson High School | Rockford | 2,173 |
| Jefferson Junior High School | Naperville | 832 |
| Jefferson Middle School | Aurora | 577 |
| Jefferson Middle School | Champaign | 711 |
| Jefferson Middle School | Springfield | 517 |
| Jefferson Middle School | Villa Park | 375 |
| Jefferson Park School | El Paso | 261 |
| Jefferson Primary School | Bellwood | 380 |
| Jefferson School | Niles | 154 |
| Jensen Elementary Scholastic Academy | Chicago | 255 |
| Jerling Junior High School | Orland Park | 677 |
| Jersey Comm Alternative Program JCAP | Jerseyville | 0 |
| Jersey Comm High School | Jerseyville | 961 |
| Jersey Community Middle School | Jerseyville | 489 |
| Jerseyville East Elementary School | Jerseyville | 392 |
| Jerseyville West Elementary School | Jerseyville | 352 |
| Jesse C White Learning Academy | Hazel Crest | 425 |
| Jewel Middle School | North Aurora | 490 |
| Jo Daviess Carroll CTE Academy | Elizabeth | 0 |
| John A Bannes Elementary School | Tinley Park | 421 |
| John A Renfro Elementary School | Collinsville | 498 |
| John Deere Middle School | Moline | 770 |
| John E Albright Middle School | Villa Park | 183 |
| John F Kennedy Elementary School | Schiller Park | 603 |
| John F Kennedy Elementary School | Spring Valley | 632 |
| John F Kennedy Middle School | Plainfield | 912 |
| John G Conyers Learning Academy | Rolling Meadows | 0 |
| John Gates Elementary School | Aurora | 427 |
| John Greer Elementary School | Hoopeston | 232 |
| John Hersey High School | Arlington Heights | 2,040 |
| John J Lukancic Middle School | Romeoville | 591 |
| John J Pershing Magnet Elementary | Chicago | 439 |
| John Jay Elementary School | Mount Prospect | 389 |
| John Kennedy Middle Grade School | Kankakee | 519 |
| John L Nash Middle School | Clifton | 278 |
| John L Sipley Elementary School | Woodridge | 430 |
| John Laidlaw Elementary School | Western Springs | 380 |
| John Middleton Elementary School | Skokie | 521 |
| John Mills Elementary School | Elmwood Park | 711 |
| John Muir Literacy Academy | Hoffman Estates | 498 |
| John Powers Center | Vernon Hills | |
| John R Lewis Middle School | Waukegan | 721 |
| John R Tibbott Elementary School | Bolingbrook | 330 |
| John S Clark Elementary School | Waukegan | 262 |
| John Schroder Early Childhood Center | Lombard | 159 |
| Johns Hill Magnet School | Decatur | 627 |
| Johnsburg Elementary School | Johnsburg | 386 |
| Johnsburg High School | Johnsburg | 502 |
| Johnsburg Junior High School | Johnsburg | 373 |
| Johnson STEAM Elementary | Chicago | 209 |
| Johnsonville Elementary School | Johnsonville | 106 |
| Johnston City High School | Johnston City | 328 |
| Joliet Central High School | Joliet | 3,295 |
| Joliet West High School | Joliet | 3,451 |
| Jonas E Salk Elementary School | Bolingbrook | 391 |
| Jones College Prep High School | Chicago | 1,954 |
| Jones Elementary School | Joliet | 553 |
| Jones-Farrar Intl Baccalaureate | Freeport | 350 |
| Jonesboro Elementary School | Jonesboro | 338 |
| Joplin Elementary School | Chicago | 283 |
| Joppa Jr & Sr High School | Joppa | 78 |
| Jordan Elementary Community School | Chicago | 487 |
| Jordan Elementary School | Centralia | 228 |
| Joseph Arthur Middle School | O Fallon | 299 |
| Joseph E Fisher School | Joliet | |
| Joseph E Hill Education Center | Evanston | 258 |
| Joseph Jungman Magnet Elementary School | Chicago | 301 |
| Journeys School | Alton | 0 |
| Journeys South | Bethalto | 0 |
| Joyce Kilmer Elementary School | Buffalo Grove | 590 |
| Juarez Community Academy High School | Chicago | 1,585 |
| Judith Giacoma Elementary School | Westville | 610 |
| Julia Lathrop Elementary School | Rockford | 357 |
| Julia S Molloy Education Center | Morton Grove | 0 |
| Julian High School | Chicago | 440 |
| Juliette Low Elementary School | Arlington Heights | 274 |
| Juvenile Detention Center | Urbana | 0 |
| K D Waldo Middle School | Aurora | 729 |
| KASEC Alternative Day Program | Saint Anne | 0 |
| KASEC Communications Program | Bourbonnais | |
| KASEC Transition Program | Saint Anne | |
| KEC Area Voc Center | Malta | 0 |
| KEC Central EFE 170 | Malta | 0 |
| KIPP Academy Chicago Campus | Chicago | 649 |
| KIPP Chicago Chrtrs Bloom Campus | Chicago | 921 |
| KIPP Chicago Chrtrs - Ascend Academy | Chicago | 897 |
| KIPP One Academy | Chicago | 996 |
| Kane Co Detention Center | Saint Charles | 0 |
| Kaneland Blackberry Creek Elementary | Elburn | 424 |
| Kaneland Harter Middle School | Sugar Grove | 822 |
| Kaneland IgKnight Academy | Maple Park | 100 |
| Kaneland John Shields Elementary School | Sugar Grove | 421 |
| Kaneland John Stewart Elementary School | Elburn | 500 |
| Kaneland McDole Elementary School | Montgomery | 440 |
| Kaneland Senior High School | Maple Park | 1,201 |
| Kankakee Area Career Center | Bourbonnais | 0 |
| Kankakee High School | Kankakee | 1,360 |
| Kankakee Junior High School | Kankakee | 501 |
| Kanoon Elementary Magnet School | Chicago | 389 |
| Kansas Elementary School | Kansas | 95 |
| Kansas High School | Kansas | 73 |
| Karel Havlicek Elementary School | Berwyn | 490 |
| Kaskaskia Education Center | Centralia | |
| Katie Harper-Wright Elementary | East Saint Louis | 418 |
| Keeneyville Early Childhood Center | Hanover Park | 0 |
| Kell Grade School | Kell | 64 |
| Kellar Primary School | Peoria | 365 |
| Kellar School | Robbins | 431 |
| Keller Elementary Gifted Magnet School | Chicago | 222 |
| Kellman Corporate Community Elementary | Chicago | 209 |
| Kellogg Elementary School | Chicago | 299 |
| Kelvin Grove Junior High School | Lockport | 260 |
| Kelvyn Park High School | Chicago | 577 |
| Kemmerer Village School | Assumption | 0 |
| Kennedy Elementary School | Chicago Heights | 193 |
| Kennedy High School | Chicago | 1,647 |
| Kennedy Junior High School | Lisle | 937 |
| Kennedy Middle School | Rockford | 393 |
| Kenneth D Bailey Academy | Danville | 0 |
| Kenneth E Neubert Elementary School | Algonquin | 445 |
| Kenneth L Hermansen Elementary | Romeoville | 431 |
| Kenneth Murphy School | Beach Park | 394 |
| Kenwood Academy High School | Chicago | 2,268 |
| Kenwood Elementary School | Champaign | 402 |
| Kenyon Woods Middle School | South Elgin | 873 |
| Kerkstra Elementary School | Oak Forest | 407 |
| Kershaw Elementary School | Chicago | 226 |
| Kewanee High School | Kewanee | 582 |
| Kildeer Countryside Elementary School | Long Grove | 428 |
| Kilmer Elementary School | Chicago | 790 |