Districts and agencies beginning with S
90 current NCES local education agency records. Agency type is shown so regular districts, charter agencies, service agencies, and specialized systems are not mistaken for the same kind of organization.
| Agency | Type | Location | Schools | Students | Ratio |
|---|---|---|---|---|---|
| S Will Co Coop for Spec Ed NCES 1701439 | Specialized public school district | Joliet | 13 | — | — |
| Saint Clair ROE NCES 1700208 | Other local education agency | Belleville | 2 | 0 | 0:1 |
| Salem CHSD 600 NCES 1735190 | Public school district | Salem | 1 | 706 | 15.9:1 |
| Salem SD 111 NCES 1735160 | Public school district | Salem | 2 | 949 | 13:1 |
| Salt Creek SD 48 NCES 1735220 | Public school district | Villa Park | 3 | 499 | 12.5:1 |
| Salt Fork Community Unit District 512 NCES 1701418 | Public school district | Catlin | 4 | 878 | 13.4:1 |
| Sandoval CUSD 501 NCES 1735310 | Public school district | Sandoval | 3 | 429 | 13.5:1 |
| Sandridge SD 172 NCES 1735340 | Public school district | Lynwood | 1 | 423 | 16.9:1 |
| Sandwich CUSD 430 NCES 1735370 | Public school district | Sandwich | 5 | 1,872 | 14.2:1 |
| Sangamon Area Spec Ed Dist NCES 1700116 | Specialized public school district | Springfield | 2 | — | — |
| Sangamon Valley CUSD 9 NCES 1700324 | Public school district | Niantic | 4 | 634 | 12:1 |
| Saratoga CCSD 60C NCES 1735400 | Public school district | Morris | 1 | 786 | 11.9:1 |
| Saunemin CCSD 438 NCES 1700065 | Public school district | Saunemin | 1 | 102 | 7.8:1 |
| Scales Mound CUSD 211 NCES 1735610 | Public school district | Scales Mound | 3 | 257 | 9.3:1 |
| Schaumburg CCSD 54 NCES 1734740 | Public school district | Schaumburg | 28 | 15,298 | 11.9:1 |
| Schiller Park SD 81 NCES 1735640 | Public school district | Schiller Park | 3 | 1,344 | 11.7:1 |
| School Assn For Special Educ NCES 1701425 | Specialized public school district | Lisle | 10 | — | — |
| Schuyler-Industry CUSD 5 NCES 1700332 | Public school district | Rushville | 3 | 843 | 12.7:1 |
| Scott-Morgan CUSD 2 NCES 1706600 | Public school district | Bluffs | 3 | 169 | 7.4:1 |
| SD 45 DuPage County NCES 1740350 | Public school district | Villa Park | 9 | 3,162 | 12.4:1 |
| SD U-46 NCES 1713710 | Public school district | Elgin | 56 | 34,036 | 14.4:1 |
| Selmaville CCSD 10 NCES 1735770 | Public school district | Salem | 1 | 223 | 13.3:1 |
| Seneca CCSD 170 NCES 1735820 | Public school district | Seneca | 2 | 465 | 9.8:1 |
| Seneca Twp HSD 160 NCES 1735850 | Public school district | Seneca | 1 | 378 | 9.9:1 |
| Serena CUSD 2 NCES 1715880 | Public school district | Serena | 4 | 611 | 12:1 |
| Sesser-Valier CUSD 196 NCES 1735940 | Public school district | Sesser | 3 | 548 | 11.7:1 |
| Shawnee CUSD 84 NCES 1742990 | Public school district | Wolf Lake | 3 | 270 | 12.8:1 |
| Shelbyville CUSD 4 NCES 1736090 | Public school district | Shelbyville | 4 | 1,248 | 13.4:1 |
| Sherrard CUSD 200 NCES 1736180 | Public school district | Sherrard | 5 | 1,305 | 13.9:1 |
| Shiloh CUSD 1 NCES 1700122 | Public school district | Hume | 2 | 362 | 10.5:1 |
| Shiloh Village SD 85 NCES 1736210 | Public school district | Shiloh | 2 | 576 | 14.8:1 |
| Shirland CCSD 134 NCES 1736240 | Public school district | Shirland | 1 | 99 | 9:1 |
| Signal Hill SD 181 NCES 1736330 | Public school district | Belleville | 1 | 291 | 8.3:1 |
| Silvis SD 34 NCES 1736360 | Public school district | East Moline | 2 | 591 | 11.1:1 |
| Skokie SD 68 NCES 1736450 | Public school district | Skokie | 4 | 1,809 | 12.5:1 |
| Skokie SD 69 NCES 1736480 | Public school district | Skokie | 3 | 1,842 | 12.1:1 |
| Skokie SD 73-5 NCES 1710380 | Public school district | Skokie | 3 | 1,065 | 10.3:1 |
| Smithton CCSD 130 NCES 1736510 | Public school district | Smithton | 1 | 541 | 13.5:1 |
| Somonauk CUSD 432 NCES 1736570 | Public school district | Somonauk | 3 | 771 | 11.8:1 |
| South Central CUD 401 NCES 1700114 | Public school district | Kinmundy | 3 | 592 | 10.6:1 |
| South Eastern Sp Ed Program NCES 1700311 | Specialized public school district | Newton | 2 | 0 | 0:1 |
| South Fork SD 14 NCES 1736640 | Public school district | Kincaid | 2 | 284 | 13.8:1 |
| South Holland SD 150 NCES 1736720 | Public school district | South Holland | 3 | 784 | 15.1:1 |
| South Holland SD 151 NCES 1736750 | Public school district | South Holland | 4 | 1,319 | 13.2:1 |
| South Macoupin Association NCES 1701408 | Specialized public school district | Staunton | 0 | — | — |
| South Pekin SD 137 NCES 1736780 | Public school district | South Pekin | 1 | 180 | 12.9:1 |
| South Wilmington CCSD 74 NCES 1736840 | Public school district | S Wilmington | 1 | 73 | 9.1:1 |
| Southeastern CUSD 337 NCES 1736610 | Public school district | Augusta | 2 | 429 | 13.9:1 |
| Southland College Prep Charter High School NCES 1701400 | Independent charter agency | Richton Park | 1 | 584 | 10.2:1 |
| Southwest Cook Coop Spec Ed NCES 1701392 | Specialized public school district | Oak Forest | 10 | — | — |
| Southwestern CUSD 9 NCES 1731500 | Public school district | Brighton | 5 | 1,149 | 12.9:1 |
| Southwestern Illinois Career & Technical Education System NCES 1700297 | Education service agency | O Fallon | 0 | — | — |
| Sparta CUSD 140 NCES 1736900 | Public school district | Sparta | 3 | 1,153 | 13.4:1 |
| Spec Ed Dist of McHenry Co-Sedom NCES 1700207 | Specialized public school district | Woodstock | 0 | — | — |
| Spec Educ Assoc of Adams County NCES 1736920 | Specialized public school district | Quincy | 0 | — | — |
| Spec Educ Assoc of Peoria County NCES 1700225 | Specialized public school district | Peoria | 2 | — | — |
| Spec Educ Dist Lake County/Sedol NCES 1700059 | Specialized public school district | Grayslake | 16 | 0 | 0:1 |
| Speed SEJA #802 NCES 1700029 | Specialized public school district | Chicago Heights | 5 | — | — |
| Spoon River Valley CUSD 4 NCES 1736960 | Public school district | London Mills | 3 | 236 | 8.7:1 |
| Spring Garden Community Consolidated School District 178 NCES 1701419 | Public school district | Mount Vernon | 2 | 217 | 11.6:1 |
| Spring Lake CCSD 606 NCES 1737020 | Public school district | Manito | 1 | 55 | 13.8:1 |
| Spring Valley CCSD 99 NCES 1737050 | Public school district | Spring Valley | 1 | 632 | 12.9:1 |
| Springfield SD 186 NCES 1737080 | Public school district | Springfield | 34 | 13,014 | 13:1 |
| St Charles CUSD 303 NCES 1737170 | Public school district | Saint Charles | 18 | 11,731 | 13.3:1 |
| St Clair ROE Special Education NCES 1700147 | Specialized public school district | Belleville | 0 | — | — |
| St Elmo CUSD 202 NCES 1737230 | Public school district | Saint Elmo | 3 | 390 | 13:1 |
| St George CCSD 258 NCES 1737320 | Public school district | Bourbonnais | 1 | 395 | 13.8:1 |
| St Joseph CCSD 169 NCES 1737380 | Public school district | Saint Joseph | 2 | 748 | 14.4:1 |
| St Joseph Ogden CHSD 305 NCES 1737410 | Public school district | Saint Joseph | 1 | 457 | 13.3:1 |
| St Libory Cons SD 30 NCES 1737440 | Public school district | St. Libory | 1 | 65 | 9.3:1 |
| St Rose SD 14-15 NCES 1737470 | Public school district | ST. ROSE | 1 | 167 | 12.8:1 |
| St. Anne Unit District 24 NCES 1743966 | Public school district | Saint Anne | 2 | 472 | 11.4:1 |
| Stark County CUSD 100 NCES 1737490 | Public school district | Wyoming | 3 | 669 | 12.9:1 |
| Starved Rock for Voc Tech Ed NCES 1700283 | Education service agency | Peru | 0 | — | — |
| Staunton CUSD 6 NCES 1737590 | Public school district | Staunton | 3 | 1,165 | 14.9:1 |
| Steeleville CUSD 138 NCES 1737650 | Public school district | Steeleville | 2 | 471 | 14.4:1 |
| Steger SD 194 NCES 1737680 | Public school district | Steger | 3 | 1,507 | 16:1 |
| Sterling CUSD 5 NCES 1742310 | Public school district | Sterling | 6 | 3,253 | 15.1:1 |
| Steward ESD 220 NCES 1737800 | Public school district | Steward | 1 | 57 | 5.8:1 |
| Stewardson-Strasburg CUD 5A NCES 1737830 | Public school district | Strasburg | 2 | 433 | 13.5:1 |
| Stockton CUSD 206 NCES 1737980 | Public school district | Stockton | 3 | 490 | 11.6:1 |
| Streator ESD 44 NCES 1700112 | Public school district | Streator | 3 | 1,511 | 15.6:1 |
| Streator Twp HSD 40 NCES 1738100 | Public school district | Streator | 1 | 764 | 13.8:1 |
| Sullivan CUSD 300 NCES 1738130 | Public school district | Sullivan | 3 | 1,148 | 16.8:1 |
| Summersville SD 79 NCES 1738190 | Public school district | Mount Vernon | 1 | 283 | 12.2:1 |
| Summit Hill SD 161 NCES 1738220 | Public school district | Frankfort | 5 | 2,333 | 10.8:1 |
| Summit SD 104 NCES 1704050 | Public school district | Summit Argo | 5 | 1,435 | 10.7:1 |
| Sunnybrook SD 171 NCES 1738370 | Public school district | Lansing | 2 | 1,025 | 15.1:1 |
| Sunset Ridge SD 29 NCES 1738400 | Public school district | Northfield | 2 | 515 | 9.1:1 |
| Sycamore CUSD 427 NCES 1738460 | Public school district | Sycamore | 7 | 3,720 | 14.1:1 |