Portland-Vancouver-Hillsboro, OR-WA · OR
Corbett SD 39 — Decoded Rankings
1 of 1 schools ranked · Updated 2026-05-29
District profile
- Total enrollment
- 1,076
- Free/reduced lunch
- 36.7%
- Avg SES index
- 80.9
- State
- OR
Schools in Corbett SD 39
Elementary / Middle Schools (1 ranked)
| Corbett SchoolCharterCorbett SD 39 | #300 | #438 | Typical Profile | Medium |
Story type breakdown
- 0Outperforming Expectations
- 0Strong by Both Measures
- 0High Scores, Context Matters
- 1Typical 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) | 35.3 | 50 | 14.7 points below the metro median |
| Avg decoded percentile (metro) | 12.8 | 50 | 37.2 points below the metro median |
| Avg rank shift (places gained after context) | -138.0 | 0 | Schools lose 138.0 places on average after context. |
Data & sources
- Assessment data
- 2024–25 school year
- NCES CCD vintage
- 2024
- 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 →