Portland-Vancouver-Hillsboro, OR-WA · OR
Riverdale SD 51J — Decoded Rankings
1 of 2 schools ranked · Updated 2026-07-26
District profile
- Total enrollment
- 406
- Free/reduced lunch
- —
- Avg SES index
- 98.5
- State
- OR
Schools in Riverdale SD 51J
Elementary / Middle Schools (1 ranked)
| Riverdale Grade SchoolNeighborhoodRiverdale SD 51J | #7 | #3 | ★Strong by Both Measures | High |
Story type breakdown
- 0Outperforming Expectations
- 1Strong by Both Measures
- 0High Scores, Context Matters
- 0Typical 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) | 98.6 | 50 | 48.6 points above the metro median |
| Avg decoded percentile (metro) | 99.5 | 50 | 49.5 points above the metro median |
| Avg rank shift (places gained after context) | 4.0 | 0 | Schools gain 4.0 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
- July 26, 2026
- Methodology version
- 0.9.0
Source files (3)
- NCES CCD 2024 directory (Urban Institute) (accessed 2026-07-26)
- ACS 5-year 2020-2024 (accessed 2026-07-26)
- Oregon OSAS 2024-25 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 →