| School | State | Tuition | Students | International Students | SAT | Type and Grade |
|---|---|---|---|---|---|---|
| Washington Montessori School | $27 | 252 | -- | -- | PK-8 | |
| Waterbury SDA School | -- | 10 | -- | -- | Grades 1-7 | |
| Watkinson School | $51,300 | 213 | 7% | 1200 | 6-12 | |
| Webb School At Cheshire | -- | 29 | -- | -- | Grades 2-8 | |
| Windham Christian Academy | -- | 35 | -- | -- | Grades 1 - 8 | |
| The Winston Preparatory School- Norwalk | -- | 72 | -- | -- | Grades 6-12 | |
| Xavier High School | $18,600 | 545 | 2.7% | 1166 | 9-12 | |
| Yeshiva Bais Binyomin | -- | 68 | -- | -- | Grades 9-12 | |
| 82nd Street Academics | -- | 415 | -- | -- | Grades Prekindergarten-10 | |
| Aaron School | $49,975 | 162 | -- | -- | K-12 | |
| Abraham Joshua Heschel School | $42,000 | 857 | -- | -- | Grades Nursery/Preschool-12 | |
| Academy Of The Holy Names | $14,067 | 331 | -- | -- | Grades Prekindergarten-12 | |
| Academy of Mount St. Ursula | $7,550 | 361 | -- | -- | Grades 9 - 12 | |
| Academy Of Our Lady Of Good Counsel Elementary School | $9,500 | 186 | -- | -- | Grades Kindergarten - 9 | |
| Academy Of St Dorothy | -- | 309 | -- | -- | Grades Kindergarten - 9 | |
| Academy Of St Joseph | -- | 385 | -- | -- | Grades Kindergarten - 12 | |
| Adelphi Academy of Brooklyn | -- | 148 | -- | -- | Grades Prekindergarten-12 | |
| The Adirondack School Of Northeastern New York | $8,400 | 38 | -- | -- | Grades 6-12 | |
| Adolph Schreiber Hebrew Academy | -- | 355 | -- | -- | Grades Prekindergarten-8 | |
| Al-ihsan Academy | $3,300 | 459 | -- | -- | Grades Prekindergarten-12 |