Districts and agencies beginning with O
29 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 |
|---|---|---|---|---|---|
| O Fallon CCSD 90 NCES 1729760 | Public school district | O Fallon | 7 | 3,862 | 17.2:1 |
| O Fallon Twp HSD 203 NCES 1729790 | Public school district | O Fallon | 1 | 2,540 | 16.3:1 |
| Oak Grove SD 68 Bartonville NCES 1729100 | Public school district | Bartonville | 1 | 285 | 11.4:1 |
| Oak Grove SD 68 Green Oaks NCES 1729130 | Public school district | Libertyville | 1 | 911 | 12.1:1 |
| Oak Lawn CHSD 229 NCES 1729220 | Public school district | Oak Lawn | 1 | 1,867 | 17:1 |
| Oak Lawn-Hometown SD 123 NCES 1729190 | Public school district | Oak Lawn | 7 | 3,395 | 13.2:1 |
| Oak Park - River Forest SD 200 NCES 1729280 | Public school district | Oak Park | 1 | 3,307 | 13.7:1 |
| Oak Park ESD 97 NCES 1729250 | Public school district | Oak Park | 10 | 5,560 | 12:1 |
| Oakdale CCSD 1 NCES 1729310 | Public school district | Oakdale | 1 | 58 | 9.7:1 |
| Oakland CUSD 5 NCES 1729340 | Public school district | Oakland | 2 | 246 | 8.3:1 |
| Oakwood CUSD 76 NCES 1710800 | Public school district | Oakwood | 2 | 829 | 12.8:1 |
| Oblong CUSD 4 NCES 1729420 | Public school district | Oblong | 2 | 526 | 10.7:1 |
| Odell CCSD 435 NCES 1729520 | Public school district | Odell | 1 | 155 | 8.6:1 |
| Odin PSD 722 NCES 1701404 | Public school district | Odin | 2 | 259 | 9.5:1 |
| Ogle Co Education Cooperative NCES 1700081 | Specialized public school district | Byron | 2 | 0 | 0:1 |
| Oglesby ESD 125 NCES 1729670 | Public school district | Oglesby | 2 | 444 | 12.7:1 |
| Ohio & Wabash Valley Reg Voc Sys NCES 1700265 | Education service agency | Norris City | 0 | — | — |
| Ohio CCSD 17 NCES 1729700 | Public school district | Ohio | 1 | 85 | 6.8:1 |
| Ohio CHSD 505 NCES 1729730 | Public school district | Ohio | 1 | 22 | 4:1 |
| Okaw Regional Voc System NCES 1700292 | Education service agency | Chester | 0 | — | — |
| Okaw Valley CUSD 302 NCES 1700223 | Public school district | Bethany | 3 | 456 | 10.6:1 |
| Olympia CUSD 16 NCES 1729890 | Public school district | Stanford | 5 | 1,740 | 14.4:1 |
| Opdyke-Belle-Rive CCSD 5 NCES 1705570 | Public school district | Opdyke | 1 | 122 | 9:1 |
| Orangeville CUSD 203 NCES 1730060 | Public school district | Orangeville | 3 | 330 | 13.4:1 |
| Oregon CUSD 220 NCES 1730160 | Public school district | Oregon | 2 | 1,406 | 14.6:1 |
| Orion CUSD 223 NCES 1730200 | Public school district | Orion | 3 | 963 | 14.1:1 |
| Orland SD 135 NCES 1730220 | Public school district | Orland Park | 10 | 5,186 | 13.3:1 |
| Ottawa ESD 141 NCES 1730300 | Public school district | Ottawa | 5 | 1,747 | 12.9:1 |
| Ottawa Twp HSD 140 NCES 1730330 | Public school district | Ottawa | 2 | 1,223 | 13.7:1 |