| Whidbey Island Waldorf School | 2.3 |
Special program emphasis | Pre-KG-8 | 132 | 9.7 | Nonsectarian |
| Sound Promises For Children | 5.5 |
Montessori | Pre-KG-KG | 25 | 9.6 | Nonsectarian |
| Harbour Pointe Montessori | 5.5 |
Montessori | Pre-KG-KG | 25 | 12.5 | Nonsectarian |
| Forest Park Adventist Christian School | 6.6 |
Regular elementary or secondary | KG-8 | 37 | 10.9 | Seventh-Day Adventist |
| Immaculate Conception School | 6.9 |
Regular elementary or secondary | Pre-KG-8 | 401 | 17.6 | Roman Catholic |
| St Mary Magdalen Elem School | 7.4 |
Regular elementary or secondary | Pre-KG-8 | 384 | 15.8 | Roman Catholic |
| Mukilteo Academy | 7.4 |
Early childhood program/child care center | Pre-KG-KG | 13 | 4.3 | Nonsectarian |
| Mukilteo Montessori School | 7.6 |
Montessori | Pre-KG-KG | 5 | 2.1 | Nonsectarian |
| Everett Christian School | 7.7 |
Regular elementary or secondary | Pre-KG-8 | 85 | 15.4 | Calvinist |
| Greater Trinity Christian Learning Academy | 7.8 |
Early childhood program/child care center | Pre-KG-KG | 6 | 2.0 | Baptist |
| Northshore Christian Academy | 7.9 |
Regular elementary or secondary | Pre-KG-8 | 573 | 15.3 | Christian (no specific denomination) |
| Kindercare #899 | 8.4 |
Alternative/other | Pre-KG-5 | 31 | 13.5 | Nonsectarian |
| St Thomas More Parish School | 9.6 |
Regular elementary or secondary | Pre-KG-8 | 240 | 15.2 | Roman Catholic |
| North Sound Christian Schools-lynnwood Campus | 9.8 |
Regular elementary or secondary | KG-6 | 210 | 12.4 | Christian (no specific denomination) |
| Kindercare #960 | 10.8 |
Early childhood program/child care center | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| Bethlehem Christian School | 10.8 |
Early childhood program/child care center | Pre-KG-KG | 40 | 19.1 | Other Lutheran |
| Soundview School | 10.8 |
Special program emphasis | Pre-KG-8 | 113 | 6.9 | Nonsectarian |
| Brighton School | 11.8 |
Regular elementary or secondary | Pre-KG-8 | 234 | 11.5 | Nonsectarian |
| Redemption Evangelical Lutheran | 11.9 |
Regular elementary or secondary | KG-8 | 13 | 7.2 | Other Lutheran |
| Legacy School | 12.1 |
Regular elementary or secondary | Pre-KG-8 | 20 | 6.7 | Other |
| Gloria Dei Preschool And Kindergarten | 12.2 |
Early childhood program/child care center | Pre-KG-KG | 3 | 0.7 | Other Lutheran |
| Zion Lutheran School | 12.3 |
Regular elementary or secondary | Pre-KG-8 | 151 | 12.5 | Lutheran Church - Missouri Synod |
| Country Dawn Kindergarten | 12.4 |
Early childhood program/child care center | Pre-KG-KG | 22 | 11.6 | Nonsectarian |
| St Pius X Elementary School | 12.6 |
Regular elementary or secondary | Pre-KG-8 | 122 | 12.8 | Roman Catholic |
| Westgate Chapel Preschool & Kindergarten | 12.8 |
Early childhood program/child care center | Pre-KG-KG | 9 | 4.5 | Other |
| Cypress Adventist School | 12.8 |
Regular elementary or secondary | KG-8 | 76 | 13.6 | Seventh-Day Adventist |
| Clearview Montessori | 13.5 |
Montessori | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| Lake Forest Park Montessori | 14.2 |
Montessori | Pre-KG-KG | 25 | 8.3 | Nonsectarian |
| Horizon School | 14.2 |
Regular elementary or secondary | Pre-KG-1 | 17 | 8.5 | Nonsectarian |
| Children's Garden Learning Center | 14.9 |
Montessori | Pre-KG-KG | 12 | 12.0 | Nonsectarian |
| Whole Earth Montessori | 14.9 |
Montessori | Pre-KG-7 | 39 | 4.3 | Nonsectarian |
| St Mark School | 15.1 |
Regular elementary or secondary | Pre-KG-8 | 179 | 14.8 | Roman Catholic |
| St Luke School | 15.2 |
Regular elementary or secondary | Pre-KG-8 | 367 | 15.0 | Roman Catholic |
| Veritas Academy | 15.4 |
Regular elementary or secondary | KG-5 | 21 | 8.1 | Roman Catholic |
| St Brendan Parish School | 16.0 |
Regular elementary or secondary | KG-8 | 261 | 20.1 | Roman Catholic |
| Northwest School For Hearing-impaired Children | 16.4 |
Special education | Pre-KG-8 | 49 | 6.1 | Nonsectarian |
| Northwest School For Hearing Impaired | 16.4 |
Special education | Pre-KG-8 | 45 | 5.0 | Nonsectarian |
| The Evergreen School | 16.4 |
Special program emphasis | Pre-KG-8 | 359 | 11.2 | Nonsectarian |
| Living Wisdom School Of Seattle | 16.7 |
Regular elementary or secondary | Pre-KG-1 | 9 | 9.0 | Nonsectarian |
| Lakeside School Middle School | 17.3 |
Regular elementary or secondary | 5-8 | 256 | 6.0 | Nonsectarian |
| Creative Montessori | 17.4 |
Montessori | Pre-KG-Trans. 1 | 17 | 17.0 | Nonsectarian |
| St Matthew Elementary School | 17.7 |
Regular elementary or secondary | KG-8 | 220 | 15.2 | Roman Catholic |
| Seattle Jewish Community School | 17.9 |
Regular elementary or secondary | KG-5 | 84 | 8.2 | Jewish |
| Evergreen Academy | 18.0 |
Regular elementary or secondary | KG-4 | 122 | 8.1 | Nonsectarian |
| Christ The King School | 18.1 |
Regular elementary or secondary | Pre-KG-8 | 165 | 12.9 | Roman Catholic |
| Mack Elementary | 18.7 |
Regular elementary or secondary | KG-6 | 201 | 12.5 | Christian (no specific denomination) |
| Camano Lutheran Preschool & Kindergarten | 18.8 |
Early childhood program/child care center | Pre-KG-KG | 4 | 6.7 | Evangelical Lutheran Church in America |
| Sky Valley Adventist School | 19.3 |
Regular elementary or secondary | KG-8 | 15 | 15.0 | Seventh-Day Adventist |
| Cedarhome Christian School | 19.3 |
Regular elementary or secondary | 1-8 | 12 | 12.0 | Seventh-Day Adventist |
| Monroe Christian School | 19.3 |
Regular elementary or secondary | Pre-KG-8 | 149 | 14.1 | Calvinist |
| Monroe Montessori School | 19.5 |
Montessori | Pre-KG-6 | 76 | 16.5 | Nonsectarian |
| Perkins School | 19.6 |
Regular elementary or secondary | KG-5 | 55 | 6.4 | Nonsectarian |
| St Catherine School | 19.8 |
Regular elementary or secondary | Pre-KG-8 | 224 | 14.4 | Roman Catholic |
| Our Lady Of The Lake School | 19.8 |
Regular elementary or secondary | Pre-KG-8 | 151 | 10.1 | Roman Catholic |
| Sunfield School | 20.0 |
Special program emphasis | Pre-KG-4 | 36 | 8.4 | Nonsectarian |
| St John School | 20.1 |
Regular elementary or secondary | Pre-KG-8 | 426 | 18.5 | Roman Catholic |
| Fairview Schristian School North Sound Christian | 20.2 |
Regular elementary or secondary | Pre-KG-8 | 65 | 8.1 | Christian (no specific denomination) |
| Northwest Montessori School | 20.5 |
Montessori | Pre-KG-KG | 10 | 3.0 | Nonsectarian |
| Cedarbrook Adventist Christian | 20.5 |
Regular elementary or secondary | 1-8 | 23 | 11.5 | Seventh-Day Adventist |
| Billings Middle School | 20.5 |
Regular elementary or secondary | 6-8 | 94 | 7.1 | Nonsectarian |
| Poulsbo Adventist School | 20.6 |
Regular elementary or secondary | 2-8 | 18 | 8.6 | Seventh-Day Adventist |
| Matheia School | 20.7 |
Special program emphasis | Pre-KG-4 | 26 | 4.9 | Nonsectarian |
| Concordia Lutheran School | 20.7 |
Regular elementary or secondary | Pre-KG-7 | 29 | 4.5 | Lutheran Church - Missouri Synod |
| Assumption-st Bridget School | 21.0 |
Regular elementary or secondary | KG-8 | 529 | 18.9 | Roman Catholic |
| St Alphonsus School | 21.1 |
Regular elementary or secondary | Pre-KG-8 | 158 | 12.3 | Roman Catholic |
| University Cooperative School | 21.3 |
Regular elementary or secondary | KG-5 | 63 | 13.7 | Nonsectarian |
| University Child Development School | 21.5 |
Regular elementary or secondary | Pre-KG-5 | 250 | 6.2 | Nonsectarian |
| St Benedict School | 21.6 |
Regular elementary or secondary | Pre-KG-8 | 147 | 13.9 | Roman Catholic |
| The Meridian School | 21.6 |
Regular elementary or secondary | KG-5 | 186 | 9.6 | Nonsectarian |
| Sunshine Preschool & Kindergarten | 21.8 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Christian (no specific denomination) |
| Pacific Crest Montessori | 21.9 |
Montessori | KG-8 | 148 | 12.3 | Nonsectarian |
| Villa Academy | 21.9 |
Regular elementary or secondary | Pre-KG-8 | 349 | 11.2 | Roman Catholic |
| Swan School | 21.9 |
Regular elementary or secondary | Pre-KG-6 | 54 | 9.3 | Nonsectarian |
| The Island School | 22.1 |
Regular elementary or secondary | KG-5 | 89 | 11.9 | Nonsectarian |
| Olympic Range Carden Academy | 22.5 |
Regular elementary or secondary | Pre-KG-5 | 34 | 6.9 | Christian (no specific denomination) |
| Holy Family Parish School | 22.7 |
Regular elementary or secondary | KG-8 | 250 | 7.9 | Roman Catholic |
| Our Lady Of Fatima School | 22.7 |
Regular elementary or secondary | KG-8 | 303 | 16.9 | Roman Catholic |
| Little Folks Christian School | 23.0 |
Early childhood program/child care center | Pre-KG-KG | 9 | 9.0 | Assembly of God |
| Seattle Country Day School | 23.0 |
Special program emphasis | KG-8 | 328 | 10.2 | Nonsectarian |
| Faith Lutheran School | 23.1 |
Regular elementary or secondary | Pre-KG-3 | 19 | 4.3 | Christian (no specific denomination) |
| Alcuin School | 23.4 |
Early childhood program/child care center | Pre-KG-Trans. KG | 2 | 2.0 | Nonsectarian |
| Kirkland Sda School | 23.4 |
Regular elementary or secondary | KG-8 | 130 | 14.0 | Seventh-Day Adventist |
| Kirkland Childrens School | 23.4 |
Early childhood program/child care center | Pre-KG-KG | 30 | 30.0 | Nonsectarian |
| Bertschi School | 23.4 |
Regular elementary or secondary | Pre-KG-5 | 211 | 8.7 | Nonsectarian |
| Medina Academy | 23.6 |
Regular elementary or secondary | Pre-KG-6 | 95 | 11.1 | Islamic |
| The Farm | 23.6 |
Montessori | Pre-KG-KG | 17 | 7.1 | Nonsectarian |
| Duvall Christian School | 23.8 |
Regular elementary or secondary | Pre-KG-5 | 74 | 8.4 | Christian (no specific denomination) |
| Bright Water School | 23.8 |
Special program emphasis | Pre-KG-8 | 152 | 7.3 | Nonsectarian |
| Tall Cedars Academy | 23.9 |
Regular elementary or secondary | 1-6 | 22 | 6.7 | Nonsectarian |
| St Anne School | 23.9 |
Regular elementary or secondary | Pre-KG-8 | 238 | 17.1 | Roman Catholic |
| Montessori Country School | 23.9 |
Montessori | Pre-KG-KG | 20 | 8.3 | Nonsectarian |
| Seattle Hebrew Academy | 23.9 |
Special program emphasis | Pre-KG-8 | 170 | 5.6 | Jewish |
| Duvall Montessori School | 23.9 |
Montessori | Pre-KG-KG | 2 | 2.0 | Nonsectarian |
| Silverwood School | 24.0 |
Regular elementary or secondary | 1-6 | 81 | 8.3 | Nonsectarian |
| The Sammamish Montessori School | 24.2 |
Montessori | Pre-KG-3 | 66 | 5.0 | Nonsectarian |
| Queen Anne Community School | 24.3 |
Regular elementary or secondary | Pre-KG-4 | 6 | 2.4 | Nonsectarian |
| St Joseph School | 24.4 |
Regular elementary or secondary | KG-8 | 607 | 16.1 | Roman Catholic |
| St Cecilia Catholic School | 24.7 |
Regular elementary or secondary | Pre-KG-6 | 55 | 13.8 | Roman Catholic |
| Valley School | 24.7 |
Regular elementary or secondary | Pre-KG-5 | 97 | 8.2 | Nonsectarian |
| The Valley School | 24.7 |
Regular elementary or secondary | Pre-KG-5 | 98 | 10.4 | Nonsectarian |
| The Little School | 24.8 |
Regular elementary or secondary | KG-6 | 125 | 9.6 | Nonsectarian |
| Spruce St School | 24.9 |
Regular elementary or secondary | KG-5 | 82 | 8.8 | Nonsectarian |
| Chestnut Hill Academy | 25.0 |
Regular elementary or secondary | KG-6 | 186 | 8.9 | Nonsectarian |
