| Valeo Academy | 4.5 |
Regular elementary or secondary | KG-12 | 95 | 10.6 | Christian (no specific denomination) |
| Summit School | 4.9 |
Special education | 1-12 | 94 | 5.2 | Nonsectarian |
| The Einstein Academy | 5.1 |
Special program emphasis | Pre-KG-12 | 121 | 6.9 | Nonsectarian |
| Harvest Christian Academy | 7.1 |
Regular elementary or secondary | Pre-KG-10 | 457 | 12.4 | Christian (no specific denomination) |
| Madrasah Institute Of Islamic Education | 7.8 |
Regular elementary or secondary | 6-12 | 27 | 3.5 | Islamic |
| Larkin Center School | 8.5 |
Special education | 5-12 | 57 | 5.7 | Nonsectarian |
| Westminster Christian School | 8.7 |
Regular elementary or secondary | Pre-KG-12 | 484 | 11.3 | Presbyterian |
| Montessori Children's House Of North Barrington | 8.8 |
Montessori | Ungraded-Ungraded | 56 | 11.2 | Nonsectarian |
| Clare Woods Academy | 9.9 |
Special education | Ungraded-Ungraded | 109 | 5.2 | Nonsectarian |
| Schaumburg Christian School | 11.3 |
Regular elementary or secondary | Pre-KG-12 | 1037 | 13.6 | Baptist |
| Christian Liberty Academy | 13.9 |
Regular elementary or secondary | Pre-KG-12 | 721 | 14.7 | Calvinist |
| Chicago Futabakai Japanese School | 14.0 |
Regular elementary or secondary | 1-9 | 163 | 8.4 | Nonsectarian |
| Fox Valley Christian School | 14.1 |
Regular elementary or secondary | 2-12 | 15 | 7.5 | Baptist |
| Marklund Day School | 15.6 |
Special education | Ungraded-Ungraded | 21 | 10.5 | Nonsectarian |
| J Slowacki School | 17.1 |
Regular elementary or secondary | Pre-KG-11 | 509 | 40.7 | Roman Catholic |
| Child S Voice School | 17.3 |
Special education | Ungraded-Ungraded | 42 | 3.2 | Nonsectarian |
| Metropolitan Preparatory Schools | 17.6 |
Special education | KG-12 | 115 | 6.4 | Nonsectarian |
| Brentwood Baptist Christian Academy | 17.8 |
Regular elementary or secondary | 1-12 | 72 | 5.1 | Baptist |
| Westlake Christian Academy | 17.9 |
Regular elementary or secondary | Pre-KG-12 | 153 | 6.9 | Christian (no specific denomination) |
| Lutherbrook Academy | 18.9 |
Special education | 2-12 | 76 | 9.5 | Lutheran Church - Missouri Synod |
| Montessori Academy Of Glen Ellyn | 19.3 |
Montessori | Ungraded-Ungraded | 110 | 42.3 | Nonsectarian |
| The Willows Academy | 19.3 |
Regular elementary or secondary | 6-12 | 223 | 9.5 | Roman Catholic |
| The Camelot School | 19.8 |
Special education | 2-12 | 72 | 7.2 | Nonsectarian |
| Centerview Therapeutic School | 20.0 |
Special education | Ungraded-Ungraded | 15 | 3.8 | Nonsectarian |
| Science & Arts Academy | 20.2 |
Special program emphasis | Ungraded-Ungraded | 221 | 5.8 | Nonsectarian |
| Keshet Day School | 20.2 |
Special education | Ungraded-Ungraded | 41 | 5.9 | Jewish |
| Montessori School Of Lake Forest | 20.4 |
Montessori | Ungraded-Ungraded | 198 | 16.5 | Nonsectarian |
| College Preparatry School Of America | 21.4 |
Regular elementary or secondary | Pre-KG-12 | 430 | 13.8 | Nonsectarian |
| Carmel Montessori Academy And Children's House | 21.6 |
Montessori | Ungraded-Ungraded | 51 | 5.0 | Nonsectarian |
| Mooseheart School | 21.7 |
Regular elementary or secondary | Pre-KG-12 | 208 | 5.7 | Nonsectarian |
| Allendale School | 21.8 |
Special education | 2-12 | 243 | 7.2 | Nonsectarian |
| Jeanine Schultz Memorial School | 21.8 |
Special education | Ungraded-Ungraded | 15 | 5.0 | Nonsectarian |
| Northridge Preparatory School | 22.4 |
Regular elementary or secondary | 6-12 | 283 | 13.4 | Roman Catholic |
| First Christian School | 22.6 |
Regular elementary or secondary | KG-12 | 12 | 4.0 | Baptist |
| Cove School | 22.8 |
Special education | 1-12 | 112 | 5.3 | Nonsectarian |
| Islamic Foundation School | 23.0 |
Regular elementary or secondary | Pre-KG-12 | 656 | 14.4 | Islamic |
| Parkview Baptist Academy | 23.4 |
Regular elementary or secondary | KG-11 | 68 | 9.3 | Baptist |
| St Bernadette's School For Special Children | 23.5 |
Special education | Pre-KG-12 | 13 | 1.4 | Roman Catholic |
| Camelot Schools Llc | 24.2 |
Special education | 4-12 | 91 | 3.7 | Nonsectarian |
| Cornerstone Christian Academy | 24.6 |
Regular elementary or secondary | Pre-KG-12 | 281 | 13.2 | Christian (no specific denomination) |
| Aurora Christian Schools | 24.6 |
Regular elementary or secondary | Pre-KG-12 | 857 | 17.5 | Christian (no specific denomination) |
