| Montessori Schools Of Snohomish County | 0.0 |
Montessori | Ungraded-Ungraded | 75 | 10.0 | Nonsectarian |
| Peaceful Glen Christian School | 5.2 |
Regular elementary or secondary | Pre-KG-12 | 66 | 8.5 | Christian (no specific denomination) |
| The Clearwater School | 7.1 |
Alternative/other | Ungraded-Ungraded | 63 | 13.7 | Nonsectarian |
| Providence Classical Christian School | 8.6 |
Special program emphasis | Pre-KG-12 | 167 | 8.4 | Calvinist |
| Heritage Christian Academy | 10.6 |
Regular elementary or secondary | Pre-KG-9 | 140 | 7.6 | Baptist |
| Grace Academy | 10.8 |
Regular elementary or secondary | Pre-KG-12 | 307 | 15.9 | Christian (no specific denomination) |
| Island Christian Academy | 11.3 |
Regular elementary or secondary | KG-11 | 32 | 8.9 | Christian (no specific denomination) |
| Chrysalis School | 11.4 |
Alternative/other | KG-12 | 266 | 5.3 | Nonsectarian |
| Northwest Academy | 11.7 |
Regular elementary or secondary | KG-12 | 27 | 3.4 | Nonsectarian |
| Dartmoor School | 12.0 |
Regular elementary or secondary | 4-12 | 46 | 10.2 | Nonsectarian |
| Cedar Park Christian Schools | 12.3 |
Regular elementary or secondary | Pre-KG-12 | 1528 | 15.2 | Assembly of God |
| Woodinville Montessori School | 12.4 |
Montessori | Pre-KG-9 | 176 | 8.7 | Nonsectarian |
| King's Schools | 12.5 |
Regular elementary or secondary | Pre-KG-12 | 1215 | 16.1 | Christian (no specific denomination) |
| Shoreline Christian School | 13.7 |
Regular elementary or secondary | Pre-KG-12 | 254 | 10.9 | Christian (no specific denomination) |
| Countryside Montessori School | 13.8 |
Montessori | Pre-KG-Pre-KG | 20 | 6.7 | Nonsectarian |
| Lakeside School | 14.4 |
Regular elementary or secondary | 5-12 | 773 | 9.1 | Nonsectarian |
| Seattle Waldorf School | 15.9 |
Special program emphasis | Pre-KG-12 | 218 | 8.9 | Nonsectarian |
| Northgate Christian Academy | 16.3 |
Regular elementary or secondary | Pre-KG-12 | 23 | 4.7 | Baptist |
| Dartmoor School | 16.3 |
Regular elementary or secondary | Ungraded-Ungraded | 50 | 10.2 | Nonsectarian |
| University Prep | 16.9 |
Regular elementary or secondary | 6-12 | 478 | 8.6 | Nonsectarian |
| The Overlake School | 17.0 |
Regular elementary or secondary | 5-12 | 498 | 10.0 | Nonsectarian |
| Arlington Christian School | 17.7 |
Regular elementary or secondary | Pre-KG-12 | 72 | 10.3 | Christian (no specific denomination) |
| Menachem Mendel Seattle Cheder Mmsc Day School | 18.6 |
Regular elementary or secondary | Pre-KG-10 | 61 | 4.2 | Jewish |
| Eastside Preparatory School | 19.3 |
Regular elementary or secondary | 6-11 | 139 | 7.3 | Nonsectarian |
| Academy Northwest/family Academy | 20.3 |
Alternative/other | 1-12 | 485 | 26.1 | Christian (no specific denomination) |
| Bellevue Christian School | 20.6 |
Regular elementary or secondary | Pre-KG-12 | 1021 | 12.2 | Christian (no specific denomination) |
| Children's Garden Montessori School Of Poulsbo | 20.7 |
Montessori | Ungraded-Ungraded | 21 | 21.0 | Nonsectarian |
| Dartmoor School | 20.9 |
Alternative/other | 2-12 | 89 | 3.3 | Nonsectarian |
| The Bush School | 21.1 |
Regular elementary or secondary | KG-12 | 580 | 8.7 | Nonsectarian |
| Morningside Academy | 21.8 |
Special education | 2-11 | 75 | 8.8 | Nonsectarian |
| Seattle Academy | 22.0 |
Regular elementary or secondary | 6-12 | 581 | 10.9 | Nonsectarian |
| West Sound Academy | 23.5 |
Regular elementary or secondary | 6-12 | 96 | 6.7 | Nonsectarian |
| Glen Eden Institute | 23.7 |
Special education | 3-12 | 4 | 1.1 | Nonsectarian |
| Arbor Schools | 23.8 |
Montessori | KG-9 | 110 | 9.7 | Nonsectarian |
| Etc Preparatory Academy | 23.8 |
Alternative/other | 6-12 | 58 | 2.2 | Nonsectarian |
| Christ The King Academy | 23.9 |
Regular elementary or secondary | KG-9 | 152 | 11.7 | Assembly of God |
| Children's Institute For Learning Differences | 24.1 |
Special education | Pre-KG-12 | 38 | 5.4 | Nonsectarian |
