Hermiston-Pendleton, OR · OR

Morrow SD 1 — Decoded Rankings

6 of 9 schools ranked · Updated 2026-07-26

District profile

Total enrollment
1,824
Free/reduced lunch
68.9%
Avg SES index
26.6
State
OR

Schools in Morrow SD 1

Elementary / Middle Schools (6 ranked)

6 official · 1 unranked (N/A — not yet eligible)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Irrigon Elementary SchoolNeighborhoodMorrow SD 1#8#2High
Riverside Junior/Senior High SchoolNeighborhoodMorrow SD 1#20#9Also HS #2High
Windy River Elementary SchoolNeighborhoodMorrow SD 1#24#10High
A C Houghton Elementary SchoolNeighborhoodMorrow SD 1#16#15Medium
Sam Boardman Elementary SchoolNeighborhoodMorrow SD 1#23#16Medium
Irrigon Junior/Senior High SchoolNeighborhoodMorrow SD 1#25#23Also HS #5Medium
Unranked (1 not yet eligible for a rank)
Morrow Education CenterneighborhoodN/AN/A Not enough data to rank

High Schools (2 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Riverside Junior/Senior High SchoolNeighborhoodMorrow SD 1#3#2HSHS outcomeHS pool
Irrigon Junior/Senior High SchoolNeighborhoodMorrow SD 1#6#5HSHS outcomeHS pool

Story type breakdown

  • 0
  • 0
  • 0
  • 5
  • 1

How this district compares

District-level averages relative to the Hermiston-Pendleton, OR metro median.

MeasureDistrict avgMetro medianRead
Avg achievement percentile (metro)32.15017.9 points below the metro median
Avg decoded percentile (metro)57.4507.4 points above the metro median
Avg rank shift (places gained after context)6.80Schools gain 6.8 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
July 26, 2026
Methodology version
0.9.0
Source files (3)

SchoolDecoder publishes context-adjusted residuals, not causal estimates. Decoded Rank is one signal — not a verdict on teaching quality. Read about limitations →