Seattle-Tacoma-Bellevue, WA · WA
Vashon Island School District — Decoded Rankings
3 of 5 schools ranked · Updated 2026-05-29
District profile
- Total enrollment
- 885
- Free/reduced lunch
- —
- Avg SES index
- 46.9
- State
- WA
Schools in Vashon Island School District
Elementary / Middle Schools (2 ranked)
| McMurray Middle SchoolNeighborhoodVashon Island School District | #215 | #40 | ★★Outperforming Expectations | High | |
| Chautauqua ElementaryNeighborhoodVashon Island School District | #236 | #91 | ★★Outperforming Expectations | High |
High Schools (1 ranked)
| Vashon Island High SchoolNeighborhoodVashon Island School District | #11 | #6HS | HS outcome | HS pool |
Story type breakdown
- 2Outperforming Expectations
- 0Strong by Both Measures
- 0High Scores, Context Matters
- 0Typical Profile
- 0Lower by Both Measures
How this district compares
District-level averages relative to the Seattle-Tacoma-Bellevue, WA metro median.
| Measure | District avg | Metro median | Read |
|---|---|---|---|
| Avg achievement percentile (metro) | 66.6 | 50 | 16.6 points above the metro median |
| Avg decoded percentile (metro) | 85.7 | 50 | 35.7 points above the metro median |
| Avg rank shift (places gained after context) | 160.0 | 0 | Schools gain 160.0 places on average after context. |
Data & sources
- Assessment data
- 2022–23 school year
- NCES CCD vintage
- 2022
- Census ACS 5-year vintage
- 2020-2024
- Last updated
- May 29, 2026
- Methodology version
- 0.2.0
SchoolDecoder publishes context-adjusted residuals, not causal estimates. Decoded Rank is one signal — not a verdict on teaching quality. Read about limitations →