Ontario SD 8C — Decoded Rankings
7 of 7 schools ranked · Updated 2026-09-04
District profile
- Total enrollment
- 1,520
- Free/reduced lunch
- 100.0%
- Avg SES index
- 12.2
- State
- OR
Schools in Ontario SD 8C
Elementary / Middle Schools (6 ranked)
| Rating | ||||||
|---|---|---|---|---|---|---|
| Alameda Elementary SchoolNeighborhoodOntario SD 8C | #335 | #10 (OR)plausibly #5–39#1 (Ontario metro) | ★★Outperforming Expectations | High | ||
| Ontario Middle SchoolNeighborhoodOntario SD 8C | #420 | #20 (OR)plausibly #5–161#3 (Ontario metro) | ★★Outperforming Expectations | High | ||
| May Roberts Elementary SchoolNeighborhoodOntario SD 8C | #555 | #126 (OR)plausibly #57–322#7 (Ontario metro)≈ tied with next | ★★Outperforming Expectations | High | ||
| Aiken Elementary SchoolNeighborhoodOntario SD 8C | #292 | #140 (OR)plausibly #26–309#9 (Ontario metro)≈ tied with next | ★★Outperforming Expectations | High | ||
| Cairo Elementary SchoolNeighborhoodOntario SD 8C | #496 | #197 (OR)plausibly #35–419#10 (Ontario metro) | Typical Profile | Medium | ||
| Pioneer Elementary SchoolNeighborhoodOntario SD 8C | #428 | #287 (OR)plausibly #53–587#12 (Ontario metro) | Typical Profile | Medium |
Rows marked ≈ are statistically tied with the row below them: on the current data the joint simulation gives the upper school less than a 65% chance of ranking above the lower one. Ties are between adjacent rows only.
High Schools (1 ranked)
| Rating | ||||||
|---|---|---|---|---|---|---|
| Ontario High SchoolNeighborhoodOntario SD 8C | #77 | #85 (OR)HS#5 (Ontario metro) | HS outcome | High |
Story type breakdown
- 5Outperforming 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 Ontario, OR-ID metro median.
| Measure | District avg | Metro median | Read |
|---|---|---|---|
| Avg achievement percentile (metro) | 38.9 | 50 | 11.1 points below the metro median |
| Avg decoded percentile (metro) | 50.0 | 50 | 0.0 points above the metro median |
| Avg rank shift (places gained after context) | 1.3 | 0 | Schools gain 1.3 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
- 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 →