| Eagle Hill School | 0.0 |
Special education | Ungraded-Ungraded | 230 | 3.1 | Nonsectarian |
| Brunswick School | 0.9 |
Regular elementary or secondary | Pre-KG-12 | 861 | 5.6 | Nonsectarian |
| Greenwich Academy | 1.1 |
Regular elementary or secondary | Pre-KG-12 | 772 | 8.1 | Nonsectarian |
| The Greenwich Japanese School | 1.4 |
Regular elementary or secondary | 1-9 | 180 | 7.0 | Nonsectarian |
| The Stanwich School | 3.4 |
Regular elementary or secondary | Pre-KG-9 | 432 | 10.3 | Nonsectarian |
| Villa Maria Education Center | 9.0 |
Special education | KG-9 | 71 | 3.3 | Roman Catholic |
| New Canaan Country School | 9.3 |
Regular elementary or secondary | Pre-KG-9 | 565 | 5.9 | Nonsectarian |
| Pierrepont School | 15.7 |
Regular elementary or secondary | KG-10 | 45 | 2.6 | Nonsectarian |
| Greens Farms Academy | 18.0 |
Regular elementary or secondary | KG-12 | 624 | 8.1 | Nonsectarian |
| Eagle Hill - Southport | 19.9 |
Special education | Ungraded-Ungraded | 111 | 3.9 | Nonsectarian |
| Giant Steps Connecticut | 20.2 |
Special education | KG-12 | 39 | 6.4 | Nonsectarian |
| Fairfield Country Day School | 20.6 |
Regular elementary or secondary | KG-9 | 271 | 6.6 | Nonsectarian |
| St Catherine Academy | 23.3 |
Special education | Ungraded-Ungraded | 15 | 5.0 | Roman Catholic |
| Phoenix Academy | 23.5 |
Regular elementary or secondary | Pre-KG-9 | 89 | 6.3 | Nonsectarian |
| Wooster School | 24.5 |
Regular elementary or secondary | KG-12 | 343 | 6.4 | Episcopal |
