| School | State | Tuition | Students | International Students | SAT | Type and Grade |
|---|---|---|---|---|---|---|
| Stuart Hall High School | $39,240 | 200 | -- | -- | Grades 9-12 | |
| Trinity Christian High School | $10,400 | 125 | -- | -- | Grades 9-12 | |
| Victor Vly Christian School | $6,500 | 467 | -- | -- | Grades Prekindergarten - 12 | |
| Western Christian High School | $23,700 | 600 | 8% | 1210 | K-12 | |
| Whittier Christian High School | $32,500 | 425 | 2% | 1193 | Grades 9-12 | |
| The Greenwich Japanese School | -- | 148 | -- | -- | Grades 1-9 | |
| Holy Cross High School | $18,415 | 450 | 8% | 1042 | 9-12 | |
| All Hallows High School | $6,200 | 663 | -- | -- | Grades 9-12 | |
| Bay Ridge Preparatory School | $27,350 | 390 | 30% | -- | Grades Kindergarten-12 | |
| Columbia Grammar & Preparatory School | $45,640 | 1240 | -- | -- | Grades Prekindergarten-12 | |
| The Daytop Preparatory School | -- | 59 | -- | -- | Grades 8-12 | |
| De Sales High School | -- | 115 | -- | -- | Grades 9-12 | |
| Ethical Culture Fieldston Schools | $45,100 | 447 | -- | -- | Grades Kindergarten-12 | |
| Gateway-longview Lynde School | -- | 183 | -- | -- | Grades Prekindergarten-12 | |
| Grace Lutheran Day School | -- | 174 | -- | -- | Grades Kindergarten - 9 | |
| Great Oaks Elementary School | -- | 114 | -- | -- | Grades Kindergarten-8 | |
| The Green Vale School | -- | 415 | -- | -- | Grades Nursery/Preschool-8 | |
| Hanson Place Elementary School | -- | 121 | -- | -- | Grades Prekindergarten-8 | |
| Hebrew Day School Of Sullivan | -- | 41 | -- | -- | Grades Prekindergarten-8 | |
| Holy Family Regional School | -- | 354 | -- | -- | Grades Prekindergarten-8 |