| Child S Voice School | 3.2 |
Special education | Ungraded-Ungraded | 42 | 3.2 | Nonsectarian |
| Marklund Day School | 3.9 |
Special education | Ungraded-Ungraded | 21 | 10.5 | Nonsectarian |
| College Preparatry School Of America | 4.5 |
Regular elementary or secondary | Pre-KG-12 | 430 | 13.8 | Nonsectarian |
| Montessori Academy Of Glen Ellyn | 4.6 |
Montessori | Ungraded-Ungraded | 110 | 42.3 | Nonsectarian |
| Islamic Foundation School | 4.8 |
Regular elementary or secondary | Pre-KG-12 | 656 | 14.4 | Islamic |
| Parkview Baptist Academy | 4.9 |
Regular elementary or secondary | KG-11 | 68 | 9.3 | Baptist |
| Metropolitan Preparatory Schools | 6.6 |
Special education | KG-12 | 115 | 6.4 | Nonsectarian |
| True Vine Christian Academy | 7.8 |
Regular elementary or secondary | Pre-KG-12 | 35 | 5.8 | Pentecostal |
| Schaumburg Christian School | 7.9 |
Regular elementary or secondary | Pre-KG-12 | 1037 | 13.6 | Baptist |
| Brentwood Baptist Christian Academy | 8.1 |
Regular elementary or secondary | 1-12 | 72 | 5.1 | Baptist |
| The Willows Academy | 8.7 |
Regular elementary or secondary | 6-12 | 223 | 9.5 | Roman Catholic |
| The Camelot School | 9.1 |
Special education | 2-12 | 72 | 7.2 | Nonsectarian |
| Science & Arts Academy | 9.3 |
Special program emphasis | Ungraded-Ungraded | 221 | 5.8 | Nonsectarian |
| Jeanine Schultz Memorial School | 9.6 |
Special education | Ungraded-Ungraded | 15 | 5.0 | Nonsectarian |
| Hinsdale Adventist Academy | 9.8 |
Regular elementary or secondary | Pre-KG-12 | 216 | 12.0 | Seventh-Day Adventist |
| New Horizon Center | 10.5 |
Special education | Ungraded-Ungraded | 69 | 6.9 | Nonsectarian |
| Christian Liberty Academy | 10.6 |
Regular elementary or secondary | Pre-KG-12 | 721 | 14.7 | Calvinist |
| Northridge Preparatory School | 11.2 |
Regular elementary or secondary | 6-12 | 283 | 13.4 | Roman Catholic |
| Clare Woods Academy | 11.3 |
Special education | Ungraded-Ungraded | 109 | 5.2 | Nonsectarian |
| St Bernadette's School For Special Children | 11.3 |
Special education | Pre-KG-12 | 13 | 1.4 | Roman Catholic |
| The Power Think Academy | 11.5 |
Regular elementary or secondary | 1-12 | 10 | 5.0 | Nonsectarian |
| Norwood Park Christian School | 11.9 |
Regular elementary or secondary | Pre-KG-12 | 131 | 6.9 | Christian (no specific denomination) |
| Acacia Academy | 12.6 |
Special education | Pre-KG-12 | 101 | 7.2 | Nonsectarian |
| Marquette Manor Baptist Academy | 12.8 |
Regular elementary or secondary | Pre-KG-12 | 240 | 15.7 | Baptist |
| Chicago Futabakai Japanese School | 12.9 |
Regular elementary or secondary | 1-9 | 163 | 8.4 | Nonsectarian |
| Giant Steps Illinois | 13.0 |
Special education | 2-12 | 39 | 1.9 | Nonsectarian |
| Carmel Montessori Academy And Children's House | 13.2 |
Montessori | Ungraded-Ungraded | 51 | 5.0 | Nonsectarian |
| Academy Of Scholastic Achievement | 13.7 |
Alternative/other | Ungraded-Ungraded | 200 | 25.0 | Nonsectarian |
| Madrasah Institute Of Islamic Education | 14.3 |
Regular elementary or secondary | 6-12 | 27 | 3.5 | Islamic |
| J Slowacki School | 14.6 |
Regular elementary or secondary | Pre-KG-11 | 509 | 40.7 | Roman Catholic |
| Chicago International Academy | 14.9 |
Regular elementary or secondary | KG-11 | 95 | 19.0 | Baptist |
| Camelot Schools Llc | 14.9 |
Special education | 4-12 | 91 | 3.7 | Nonsectarian |
| Valeo Academy | 14.9 |
Regular elementary or secondary | KG-12 | 95 | 10.6 | Christian (no specific denomination) |
| Providence-st Mel School | 15.0 |
Regular elementary or secondary | KG-12 | 584 | 13.2 | Christian (no specific denomination) |
| Uhlich Academy | 15.3 |
Special education | 2-12 | 103 | 6.1 | Church of Christ |
| Lawrence Hall Youth Services | 15.4 |
Special education | 4-12 | 95 | 9.5 | Nonsectarian |
| North Shore Sda Jr Academy | 15.6 |
Regular elementary or secondary | Pre-KG-10 | 99 | 13.4 | Seventh-Day Adventist |
| Centerview Therapeutic School | 15.6 |
Special education | Ungraded-Ungraded | 15 | 3.8 | Nonsectarian |
| Keshet Day School | 15.7 |
Special education | Ungraded-Ungraded | 41 | 5.9 | Jewish |
| Stuart G Ferst School | 15.8 |
Special education | Ungraded-Ungraded | 74 | 7.4 | Nonsectarian |
| Josephinum Middle And High School | 16.2 |
Regular elementary or secondary | 6-12 | 134 | 6.9 | Roman Catholic |
| Eagles Wings Urban Academy | 16.2 |
Regular elementary or secondary | Pre-KG-12 | 79 | 9.8 | Christian (no specific denomination) |
| Ravenswood Baptist Christian School | 16.4 |
Regular elementary or secondary | Pre-KG-12 | 112 | 7.2 | Baptist |
| Arlyn Day School | 16.4 |
Special education | 5-12 | 37 | 5.7 | Nonsectarian |
| Esperanza School | 17.2 |
Special education | Ungraded-Ungraded | 53 | 8.8 | Nonsectarian |
| Summit School | 17.3 |
Special education | 1-12 | 94 | 5.2 | Nonsectarian |
| Larkin Center School | 17.3 |
Special education | 5-12 | 57 | 5.7 | Nonsectarian |
| The Chicago Lighthouse Development Center | 17.3 |
Special education | Ungraded-Ungraded | 32 | 4.5 | Nonsectarian |
| Aqsa School | 17.5 |
Regular elementary or secondary | Pre-KG-12 | 283 | 11.5 | Islamic |
| Cove School | 17.5 |
Special education | 1-12 | 112 | 5.3 | Nonsectarian |
| Pactt Learning Center | 17.7 |
Special education | Ungraded-Ungraded | 24 | 8.0 | Nonsectarian |
| Chicago Waldorf School | 17.7 |
Special program emphasis | Pre-KG-12 | 292 | 6.8 | Nonsectarian |
| Universal School | 17.8 |
Regular elementary or secondary | Pre-KG-12 | 623 | 13.4 | Islamic |
| North Shore Country Day School | 17.9 |
Regular elementary or secondary | KG-12 | 490 | 6.4 | Nonsectarian |
| British School Of Chicago | 18.0 |
Regular elementary or secondary | Ungraded-Ungraded | 380 | 7.6 | Nonsectarian |
| The Einstein Academy | 18.0 |
Special program emphasis | Pre-KG-12 | 121 | 6.9 | Nonsectarian |
| French American School Of Chicago | 18.2 |
Special program emphasis | KG-12 | 82 | 20.5 | Nonsectarian |
| Roycemore School | 18.6 |
Regular elementary or secondary | Pre-KG-12 | 233 | 8.5 | Nonsectarian |
| The Latin School Of Chicago | 18.9 |
Regular elementary or secondary | Pre-KG-12 | 1042 | 7.6 | Nonsectarian |
| Jordan Baptist School | 18.9 |
Regular elementary or secondary | KG-12 | 75 | 10.0 | Baptist |
| Bible Baptist Christian Academy | 18.9 |
Regular elementary or secondary | 3-10 | 4 | 4.0 | Baptist |
| Mooseheart School | 19.0 |
Regular elementary or secondary | Pre-KG-12 | 208 | 5.7 | Nonsectarian |
| Harvest Christian Academy | 19.4 |
Regular elementary or secondary | Pre-KG-10 | 457 | 12.4 | Christian (no specific denomination) |
| Renaissance Preparatory School | 19.5 |
Special program emphasis | 4-12 | 10 | 4.8 | Nonsectarian |
| Renaissance Prep School | 19.5 |
Special program emphasis | 3-12 | 12 | 3.3 | Nonsectarian |
| Montessori Children's House Of North Barrington | 20.1 |
Montessori | Ungraded-Ungraded | 56 | 11.2 | Nonsectarian |
| Elsup Rapid Learning Center | 21.1 |
Special education | Pre-KG-12 | 9 | 3.0 | Other |
| Southwest Chicago Christian Schools | 21.1 |
Regular elementary or secondary | Pre-KG-12 | 1012 | 14.1 | Other |
| Christ The King Lutheran School | 21.4 |
Regular elementary or secondary | Ungraded-Ungraded | 30 | 8.8 | Lutheran Church - Missouri Synod |
| Aurora Christian Schools | 21.8 |
Regular elementary or secondary | Pre-KG-12 | 857 | 17.5 | Christian (no specific denomination) |
| Westminster Christian School | 22.6 |
Regular elementary or secondary | Pre-KG-12 | 484 | 11.3 | Presbyterian |
| Mighty God Christian Academy | 22.7 |
Regular elementary or secondary | KG-12 | 87 | 8.7 | Christian (no specific denomination) |
| Elim Christian School | 23.0 |
Special education | Ungraded-Ungraded | 250 | 7.0 | Christian (no specific denomination) |
| Univ Of Chicago Lab School | 23.2 |
Regular elementary or secondary | Pre-KG-12 | 1548 | 10.5 | Nonsectarian |
| Sonia Shankman Orthogenic School | 23.2 |
Special education | 2-12 | 48 | 6.0 | Nonsectarian |
| Beacon Therapeutic | 23.4 |
Special education | 2-12 | 146 | 9.2 | Nonsectarian |
| Morgan Park Academy | 23.6 |
Regular elementary or secondary | Pre-KG-12 | 470 | 7.6 | Nonsectarian |
| Montessori School Of Lake Forest | 23.7 |
Montessori | Ungraded-Ungraded | 198 | 16.5 | Nonsectarian |
