Ontario SD 8C — Decoded Rankings
7 of 7 schools ranked · Updated 2026-07-26
District profile
- Total enrollment
- 1,562
- Free/reduced lunch
- 99.7%
- Avg SES index
- 12.3
- State
- OR
Schools in Ontario SD 8C
Elementary / Middle Schools (6 ranked)
| Ontario Middle SchoolNeighborhoodOntario SD 8C | #11 | #4 | ★★Outperforming Expectations | High | |
| May Roberts Elementary SchoolNeighborhoodOntario SD 8C | #12 | #6 | Typical Profile | High | |
| Alameda Elementary SchoolNeighborhoodOntario SD 8C | #7 | #7 | Typical Profile | High | |
| Aiken Elementary SchoolNeighborhoodOntario SD 8C | #3 | #10 | High Scores, Context Matters | High | |
| Pioneer Elementary SchoolNeighborhoodOntario SD 8C | #9 | #11 | Lower by Both Measures | Medium | |
| Cairo Elementary SchoolNeighborhoodOntario SD 8C | #10 | #12 | Lower by Both Measures | Medium |
High Schools (1 ranked)
| Ontario High SchoolNeighborhoodOntario SD 8C | #5 | #5HS | HS outcome | HS pool |
Story type breakdown
- 1Outperforming Expectations
- 0Strong by Both Measures
- 1High Scores, Context Matters
- 2Typical Profile
- 2Lower by Both Measures
How this district compares
District-level averages relative to the Ontario, OR-ID metro median.
| Measure | District avg | Metro median | Read |
|---|---|---|---|
| Avg achievement percentile (metro) | 36.1 | 50 | 13.9 points below the metro median |
| Avg decoded percentile (metro) | 38.9 | 50 | 11.1 points below the metro median |
| Avg rank shift (places gained after context) | 0.3 | 0 | Schools gain 0.3 places on average after context. |
Data & sources
- Assessment data
- 2022–23 school year
- NCES CCD vintage
- 2022
- Census ACS 5-year vintage
- 2020-2024
- Last updated
- July 26, 2026
- Methodology version
- 0.9.0
Source files (3)
- NCES CCD 2022 directory (Urban Institute) (accessed 2026-07-26)
- ACS 5-year 2020-2024 (accessed 2026-07-26)
- Oregon OSAS 2022-23 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 →