| Bellarmine Preparatory School | 0.0 |
Regular elementary or secondary | 9-12 | 1002 | 13.3 | Roman Catholic |
| Covenant High School | 1.7 |
Regular elementary or secondary | 9-12 | 125 | 10.4 | Presbyterian |
| Mount Rainier Lutheran High School | 5.6 |
Regular elementary or secondary | 9-12 | 107 | 11.8 | Lutheran Church - Missouri Synod |
| Cascade Christian Schools - Jr/sr High School | 10.9 |
Regular elementary or secondary | 7-12 | 570 | 16.8 | Christian (no specific denomination) |
| Evergreen Lutheran High School | 12.2 |
Regular elementary or secondary | 9-12 | 135 | 10.8 | Wisconsin Evangelical Lutheran Synod |
| Auburn Adventist Academy | 15.2 |
Regular elementary or secondary | 9-12 | 301 | 14.3 | Seventh-Day Adventist |
| John F Kennedy Memorial High School | 18.0 |
Regular elementary or secondary | 9-12 | 976 | 18.4 | Roman Catholic |
| St Christopher Academy | 18.0 |
Special education | 9-12 | 42 | 14.0 | Nonsectarian |
| Northwest Christian High School | 20.6 |
Regular elementary or secondary | 9-12 | 212 | 10.4 | Pentecostal |
| Seattle Urban Academy | 22.6 |
Alternative/other | 9-12 | 30 | 6.8 | Other |
| Seattle Lutheran High School | 23.1 |
Regular elementary or secondary | 9-12 | 172 | 10.7 | Lutheran Church - Missouri Synod |
| Alta Vista School | 23.5 |
Regular elementary or secondary | 7-12 | 21 | 5.4 | Nonsectarian |
| Northwest Yeshiva High School | 24.8 |
Regular elementary or secondary | 9-12 | 96 | 4.0 | Jewish |
