Portland-Vancouver-Hillsboro, OR-WA · OR
Scappoose SD 1J — Decoded Rankings
4 of 8 schools ranked · Updated 2026-05-29
District profile
- Total enrollment
- 1,272
- Free/reduced lunch
- —
- Avg SES index
- 74.9
- State
- OR
Schools in Scappoose SD 1J
Elementary / Middle Schools (4 ranked)
| Otto Petersen Elementary SchoolEnrollment unknownScappoose SD 1J | #207 | #95 | ★★Outperforming Expectations | Medium | |
| Sauvie Island SchoolEnrollment unknownScappoose SD 1J | #79 | #116 | Typical Profile | High | |
| Scappoose Middle SchoolEnrollment unknownScappoose SD 1J | #255 | #228 | Typical Profile | Medium | |
| Grant Watts Elementary SchoolEnrollment unknownScappoose SD 1J | #111 | #233 | High Scores, Context Matters | Medium |
Story type breakdown
- 1Outperforming Expectations
- 0Strong by Both Measures
- 1High Scores, Context Matters
- 2Typical Profile
- 0Lower by Both Measures
How this district compares
District-level averages relative to the Portland-Vancouver-Hillsboro, OR-WA metro median.
| Measure | District avg | Metro median | Read |
|---|---|---|---|
| Avg achievement percentile (metro) | 64.3 | 50 | 14.3 points above the metro median |
| Avg decoded percentile (metro) | 66.6 | 50 | 16.6 points above the metro median |
| Avg rank shift (places gained after context) | -5.0 | 0 | Schools lose 5.0 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
- 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 →