North Mason School District — Decoded Rankings
3 of 8 schools ranked · Updated 2026-07-26
District profile
- Total enrollment
- 966
- Free/reduced lunch
- 53.8%
- Avg SES index
- 48.1
- State
- WA
Schools in North Mason School District
Elementary / Middle Schools (2 ranked)
| Belfair ElementaryNeighborhoodNorth Mason School District | #4 | #10 | High Scores, Context Matters | High | |
| Sand Hill ElementaryNeighborhoodNorth Mason School District | #7 | #12 | Typical Profile | High |
High Schools (1 ranked)
| North Mason Senior High SchoolNeighborhoodNorth Mason School District | #4 | #4HS | HS outcome | HS pool |
Story type breakdown
- 0Outperforming Expectations
- 0Strong by Both Measures
- 1High Scores, Context Matters
- 1Typical Profile
- 0Lower by Both Measures
How this district compares
District-level averages relative to the Shelton, WA metro median.
| Measure | District avg | Metro median | Read |
|---|---|---|---|
| Avg achievement percentile (metro) | 65.4 | 50 | 15.4 points above the metro median |
| Avg decoded percentile (metro) | 23.1 | 50 | 26.9 points below the metro median |
| Avg rank shift (places gained after context) | -5.5 | 0 | Schools lose 5.5 places on average after context. |
Data & sources
- Assessment data
- 2023–24 school year
- NCES CCD vintage
- 2023
- Census ACS 5-year vintage
- 2020-2024
- Last updated
- July 26, 2026
- Methodology version
- 0.9.0
Source files (3)
- NCES CCD 2023 directory (Urban Institute) (accessed 2026-07-26)
- ACS 5-year 2020-2024 (accessed 2026-07-26)
- Washington OSPI 2023-24 school-level results (accessed 2026-07-26)
SchoolDecoder publishes context-adjusted residuals, not causal estimates. Decoded Rank is one signal — not a verdict on teaching quality. Read about limitations →