| Northern Dutchess Christian School | 4.9 |
Regular elementary or secondary | KG-12 | 104 | 8.4 | Christian (no specific denomination) |
| Children's Home Of Kingston | 5.0 |
Special education | 5-11 | 61 | 4.4 | Nonsectarian |
| Astor Learning Center | 5.8 |
Special education | Ungraded-Ungraded | 77 | 4.7 | Nonsectarian |
| Astor Home For Children | 5.8 |
Special education | Ungraded-Ungraded | 77 | 4.7 | Nonsectarian |
| Woodstock Day School | 6.0 |
Regular elementary or secondary | Pre-KG-12 | 126 | 5.7 | Nonsectarian |
| The Devereux Foundation | 6.6 |
Special education | Ungraded-Ungraded | 135 | 5.4 | Nonsectarian |
| The Daytop Preparatory School | 7.6 |
Alternative/other | 6-12 | 130 | 5.9 | Nonsectarian |
| Anderson Center For Autism | 11.8 |
Special education | Ungraded-Ungraded | 134 | 4.8 | Nonsectarian |
| Shawangunk Ridge School | 14.4 |
Special education | 6-12 | 12 | 3.3 | Nonsectarian |
| Upton Lake Christian School | 15.5 |
Regular elementary or secondary | KG-12 | 75 | 5.4 | Other |
| Day Training Center | 19.3 |
Special education | Ungraded-Ungraded | 90 | 7.5 | Nonsectarian |
| Tabernacle Christian Academy | 21.0 |
Regular elementary or secondary | KG-12 | 164 | 11.0 | Baptist |
| The Kildonan School | 22.3 |
Special education | 3-12 | 137 | 2.9 | Nonsectarian |
| Maplebrook School | 23.4 |
Special education | Ungraded-Ungraded | 73 | 2.6 | Nonsectarian |
| Oakwood Friends School | 23.5 |
Regular elementary or secondary | 6-12 | 171 | 5.6 | Friends |
| Poughkeepsie Day School | 23.7 |
Regular elementary or secondary | Pre-KG-12 | 339 | 7.4 | Nonsectarian |
