| Abraham Joshua Heschel School
| New York | NY | PK-12th | none | Coed | 716 | Jewish |
| All Hallows High School
| New York | NY | 9th-12th | none | Boys only | 635 | Roman Catholic |
| Birch Wathen Lenox School
| New York | NY | K-12th | none | Coed | 550 | None |
| Brearley School 4.4/5 based on 1 student review(s) | New York | NY | K-12th | none | Girls only | 692 | Non-Denominational Christian |
| Calhoun School
| New York | NY | PK-12th | none | Coed | 742 | None |
| Chapin School
| New York | NY | K-12th | none | Girls only | 728 | None |
| Collegiate School
| New York | NY | K-12th | none | Boys only | 630 | None |
| Convent of the Sacred Heart 3.8/5 based on 1 student review(s) | New York | NY | PK-12th | none | Girls only | 670 | Roman Catholic |
| Dalton School 4.6/5 based on 8 student review(s) | New York | NY | K-12th | none | Coed | 1280 | None |
| Friends Seminary
| New York | NY | K-12th | none | Coed | 670 | Quakers/Friends |
| Hewitt School
| New York | NY | K-12th | none | Girls only | 506 | None |
| Hudson School
| Hoboken | NJ | 5th-12th | none | Coed | 204 | None |
| Little Red School House and Elisabeth Irwin High School
| New York | NY | PK-12th | none | Coed | 560 | None |
| Loyola School
| New York | NY | 9th-12th | none | Coed | 205 | Roman Catholic |
| Marymount School of NY
| New York | NY | PK-12th | none | Girls only | 565 | Roman Catholic |
| Nightingale-Bamford School
| New York | NY | PK-12th | none | Girls only | 550 | None |
| Professional Children's School
| New York | NY | 6th-12th | none | Coed | 205 | None |
| Regis High School 4.5/5 based on 4 student review(s) | New York | NY | 9th-12th | none | Boys only | 535 | Roman Catholic (Jesuit) |
| Saint Agnes Boys High School
| New York | NY | 9th-12th | none | Boys only | 300 | Roman Catholic |
| Spence School 5/5 based on 1 student review(s) | New York | NY | K-12th | none | Girls only | 658 | None |
| Trevor Day School
| New York | NY | PK-12th | none | Coed | 790 | None |
| Trinity School 4.5/5 based on 4 student review(s) | New York | NY | K-12th | none | Coed | 960 | Episcopal |
| United Nations International School 5/5 based on 1 student review(s) | New York | NY | K-12th | none | Coed | 1550 | None |
| Xavier High School
| New York | NY | 9th-12th | none | Boys only | 938 | Roman Catholic |