Hermiston-Pendleton, OR · OR

Morrow SD 1 — Decoded Rankings

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

District profile

Total enrollment
1,816
Free/reduced lunch
70.0%
Avg SES index
33.3
State
OR

Schools in Morrow SD 1

Elementary / Middle Schools (6 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Windy River Elementary SchoolNeighborhoodMorrow SD 1#26#2High
Irrigon Elementary SchoolNeighborhoodMorrow SD 1#11#5High
Riverside Junior/Senior High SchoolNeighborhoodMorrow SD 1#21#12Also HS #2High
Sam Boardman Elementary SchoolNeighborhoodMorrow SD 1#23#17Medium
A C Houghton Elementary SchoolNeighborhoodMorrow SD 1#19#24Medium
Irrigon Junior/Senior High SchoolNeighborhoodMorrow SD 1#22#26Also HS #5Medium

High Schools (2 ranked)

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

Story type breakdown

  • 2
  • 0
  • 0
  • 2
  • 2

How this district compares

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

MeasureDistrict avgMetro medianRead
Avg achievement percentile (metro)28.45021.6 points below the metro median
Avg decoded percentile (metro)50.6500.6 points above the metro median
Avg rank shift (places gained after context)6.00Schools gain 6.0 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)

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