Snohomish County
Within Snohomish County, Washington, families have 227 public-school options to consider, collectively serving 118,688 K-12 students. Edmonds School District is the heaviest district by enrollment. By grade band, the county runs 119 elementary, 33 middle, and 56 high schools.
7-year change in Snohomish County
SY 2017-18 vs SY 2024-25County vs. school enrollment demographics
Left bar is the racial makeup of Snohomish County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
Test scores in Snohomish County
Latest 2024-25 ELA proficiency, 160 schools ranked. Washington state average: 58.4%.
- Innovation Lab High School· 89.2%
- Cedar Wood Elementary· 86.7%
- Tambark Creek Elementary School· 85.6%
- North Creek High School· 85.1%
- Fernwood Elementary· 85.0%
- Quil Ceda Tulalip Elementary· 13.4%
- Horizon Elementary· 20.9%
- Totem Middle School· 21.3%
- Cedar Valley Elementary· 24.4%
- Frank Wagner Elementary· 25.3%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Index Elementary School District 63 | Index | Elementary | PK-08 | 36 | · |
| Northshore Special Services | Bothell | Combined | PK-12 | 34 | · |
| Sky Valley Options | Sultan | High | 09-12 | 34 | · |
| Student Services School | Sultan | Elementary | PK-PK | 32 | · |
| Homelink | Lake Stevens | Combined | KG-12 | 31 | · |
| Sultan Virtual Academy | Sultan | Combined | KG-12 | 30 | · |
| Lincoln Academy | Stanwood | Middle | 06-08 | 20 | · |
| Contracted Schools | Lynnwood | Combined | PK-12 | 18 | · |
| Out Of District Special Ed | Monroe | Combined | PK-11 | 18 | · |
| School Home Partnership Program | Marysville | Elementary | KG-08 | 18 | · |
| LSSD Open Doors | Lake Stevens | High | 09-12 | 15 | · |
| Northshore Online Reengagement Program | Bothell | High | 09-12 | 12 | · |
| Open Doors Youth Reengagement | Sultan | High | 09-12 | 11 | · |
| Snohomish Detention Center | Everett | High | 06-12 | 8 | · |
| Monroe Special Ed Preschool | Monroe | Elementary | PK-PK | 6 | · |
| NW Learning Center | Arlington | High | 09-12 | 2 | · |
| Arlington Special Educ School | Arlington | Combined | PK-12 | 0 | · |
| Marysville Online High School | Marysville | High | 09-12 | 0 | · |
| Outcomes for Academic Resilience | Lake Stevens | High | 08-12 | 0 | · |
| Pass Program | Everett | High | 06-12 | 0 | · |
| Prove High School | Lake Stevens | High | 09-12 | 0 | · |
| Sno Co Jail | Everett | High | 07-12 | 0 | · |
| Sno-Isle Skills Center | Everett | High | 11-12 | 0 | · |
| Unassigned School | Lynnwood | Combined | PK-09 | 0 | · |
| Everett Virtual Academy | Everett | Combined | M-M | · | · |
| Mukilteo Virtual Academy | Everett | Combined | M-M | · | · |
| Woodway Center | Edmonds | Combined | M-M | · | · |
Cities in Snohomish County
About Snohomish County
Snohomish County is a sprawling county of about 844,430 residents in Washington. Its public-school system educates approximately 118,688 students across 227 schools.
Looking at the wider area, census numbers show typical household earnings sit around $111,246, 38% of adults hold a bachelor's degree or higher, and the poverty rate is around 6%. That income level is 41% meaningfully above the Washington median.
On the level-by-level breakdown, Snohomish County covers 119 elementary schools (56,715 students), 33 middle schools (22,597), 56 high schools (36,891), and 19 combined or other schools.
Edmonds School District is the biggest district by enrollment, covering about 20,955 students across Snohomish County.
Trend over the past 7 years. Combined enrollment now sits at 118,688 students, held roughly steady from the 118,455 reported in SY 2017-18. On the demographic side, White enrollment moved from 58% to 48% over the same window.
Within the allk12 community for this area, the community for Snohomish County discusses enrollment trends, district policy changes, and bus-route updates. Posts come from current and former families, staff, and alumni.