| Annie Wright School
| Tacoma | WA | PK-12th | 9th-12th | Girls only | 475 | Episcopal |
| Bear Creek School
| Redmond | WA | K-12th | none | Coed | 683 | Non-Denominational Christian |
| Charles Wright Academy
4.6/5
based on 1 student review(s) | Tacoma | WA | PK-12th | none | Coed | 725 | None |
| Columbia Adventist Academy
| Battleground | WA | 9th-12th | none | Coed | 117 | Adventists |
| Gonzaga Preparatory School
| Spokane | WA | 9th-12th | none | Coed | 900 | Roman Catholic |
| Holy Names Academy
| Seattle | WA | 9th-12th | none | Girls only | 675 | Roman Catholic |
| Lakeside School
4.8/5
based on 1 student review(s) | Seattle | WA | 5th-12th | none | Coed | 775 | None |
| Northwest School
| Seattle | WA | 6th-12th | 9th-12th | Coed | 460 | None |
| Overlake School
| Redmond | WA | 5th-12th | none | Coed | 498 | None |
| Seattle Preparatory School
| Seattle | WA | 9th-12th | none | Coed | 675 | Roman Catholic |
| St. George's School
| Spokane | WA | K-12th | none | Coed | 399 | None |
| University Prep
| Seattle | WA | 6th-12th | none | Coed | 477 | None |