North Wasco County SD 21 — Decoded Rankings
6 of 7 schools ranked · Updated 2026-09-04
District profile
- Total enrollment
- 1,828
- Free/reduced lunch
- 69.5%
- Avg SES index
- 36.4
- State
- OR
Schools in North Wasco County SD 21
Elementary / Middle Schools (5 ranked)
5 official · 1 unranked (N/A — not yet eligible)
| Rating | ||||||
|---|---|---|---|---|---|---|
| Chenowith Elementary SchoolNeighborhoodNorth Wasco County SD 21 | #605 | #22 (OR)plausibly #10–85#1 (The Dalles metro) | ★★Outperforming Expectations | Medium | ||
| Mosier Community SchoolCharterNorth Wasco County SD 21 | #372 | #201 (OR)plausibly #57–441#2 (The Dalles metro) | Typical Profile | Medium | ||
| Dry Hollow Elementary SchoolNeighborhoodNorth Wasco County SD 21 | #294 | #263 (OR)plausibly #100–525#3 (The Dalles metro) | Typical Profile | High | ||
| The Dalles Middle SchoolNeighborhoodNorth Wasco County SD 21 | #545 | #391 (OR)plausibly #177–533#4 (The Dalles metro) | Typical Profile | High | ||
| Colonel Wright Elementary SchoolNeighborhoodNorth Wasco County SD 21 | #499 | #602 (OR)plausibly #445–652#5 (The Dalles metro) | Lower by Both Measures | High | ||
| Unranked (1 not yet eligible for a rank) | ||||||
| Innovations Academy | — | N/A | N/A | — | Not enough data to rank | |
High Schools (1 ranked)
| Rating | ||||||
|---|---|---|---|---|---|---|
| The Dalles High SchoolNeighborhoodNorth Wasco County SD 21 | #73 | #48 (OR)HS#1 (The Dalles metro) | HS outcome | High |
Story type breakdown
- 2Outperforming Expectations
- 0Strong by Both Measures
- 0High Scores, Context Matters
- 2Typical Profile
- 1Lower by Both Measures
How this district compares
District-level averages relative to the The Dalles, OR metro median.
| Measure | District avg | Metro median | Read |
|---|---|---|---|
| Avg achievement percentile (metro) | 60.0 | 50 | 10.0 points above the metro median |
| Avg decoded percentile (metro) | 60.0 | 50 | 10.0 points above the metro median |
| Avg rank shift (places gained after context) | 0.0 | 0 | No average shift after context. |
Data & sources
- Assessment data
- 2023–24 school year
- NCES CCD vintage
- 2023
- Census ACS 5-year vintage
- 2020-2024
- Last updated
- September 4, 2026
- Methodology version
- 0.14.0
Source files (3)
- NCES CCD 2023 directory (Urban Institute) (accessed 2026-09-04)
- ACS 5-year 2020-2024 (accessed 2026-09-04)
- Oregon OSAS 2023-24 school-level results (accessed 2026-09-04)
SchoolDecoder publishes context-adjusted residuals, not causal estimates. Decoded Rank is one signal — not a verdict on teaching quality. Read about limitations →