King County vs Snohomish County vs Pierce County Schools
Compare Seattle-area school signals across King, Snohomish, and Pierce counties for regional relocation research.
School score spread
8 points
Difference between the highest and lowest county School Score in this guide.
Graduation spread
1.5 percentage points
Difference between the highest and lowest county graduation-rate signal.
Spending spread
$1,183 per pupil
Difference between the highest and lowest per-pupil spending value.
Side-by-side county metrics
This table compares King County, WA, Snohomish County, WA, Pierce County, WA using NCES 2022-23 public school data and FY 2022 school-finance data. The score is a screening signal, not a district or campus rating.
| County | School Score | Graduation | Spending | Profile |
|---|---|---|---|---|
Snohomish County Washington | 54/100 | 84.5% | $9,889 | Open county |
King County Washington | 54/100 | 84.6% | $9,759 | Open county |
Pierce County Washington | 46/100 | 83.1% | $8,706 | Open county |
What the comparison suggests
Read these as decision prompts. A county can lead on one metric and still need careful district-level review before a family chooses a neighborhood.
First school-score screen
Start with Snohomish County, WA if the School Score is your first filter. It leads this guide at 54/100.
Outcome signal to inspect
For graduation-rate context, King County, WA leads at 84.6%. Compare this with campus-level records before deciding.
Spending context
Spending ranges from $8,706 in Pierce County, WA to $9,889 in Snohomish County, WA. Higher spending can reflect costs, needs, staffing, or services.
How to use this page
- Use the leader as a shortlist clue. A higher School Score tells you where the county-level signal is strongest.
- Check whether graduation confirms the pattern. When graduation and score point to different counties, inspect local districts more carefully.
- Treat spending as context. Spending helps explain resources, but it is not automatically a better-school label.
What it cannot decide
- It cannot confirm school attendance for a specific home address.
- It cannot rank magnet, charter, transfer, or specialized programs.
- It cannot replace a district calendar, transportation, or enrollment-policy review.
Continue with county profiles
Each county profile adds schools, district context, data attribution, and nearby county links for the next layer of research.
Comparison FAQ
Which Seattle-area county has the strongest public school signal?
Snohomish County, WA has the highest current SchoolsByCounty School Score in this guide at 54/100. Treat that as a first screen, then compare individual districts and school assignment rules.
Which county has the strongest graduation-rate signal in this comparison?
King County, WA has the highest reported graduation rate in this comparison at 84.6%. Graduation rate is one outcome signal, not a complete school ranking.
Can this comparison pick the exact school my child will attend?
No. This page compares counties. Exact school assignment, transfer eligibility, magnet programs, and transportation rules are controlled by local districts and should be verified before a housing decision.