The Dalles, OR · OR

North Wasco County SD 21 — Decoded Rankings

6 of 7 schools ranked · Updated 2026-07-26

District profile

Total enrollment
1,829
Free/reduced lunch
67.8%
Avg SES index
37.1
State
OR

Schools in North Wasco County SD 21

Elementary / Middle Schools (5 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Chenowith Elementary SchoolNeighborhoodNorth Wasco County SD 21#5#1Medium
Mosier Community SchoolCharterNorth Wasco County SD 21#3#2Medium
Dry Hollow Elementary SchoolNeighborhoodNorth Wasco County SD 21#2#3High
The Dalles Middle SchoolNeighborhoodNorth Wasco County SD 21#4#5High
Colonel Wright Elementary SchoolNeighborhoodNorth Wasco County SD 21#6#6High

High Schools (1 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
The Dalles High SchoolNeighborhoodNorth Wasco County SD 21#1#1HSHS outcomeHS pool

Story type breakdown

  • 2
  • 0
  • 1
  • 1
  • 1

How this district compares

District-level averages relative to the The Dalles, OR metro median.

MeasureDistrict avgMetro medianRead
Avg achievement percentile (metro)50.0500.0 points above the metro median
Avg decoded percentile (metro)60.05010.0 points above the metro median
Avg rank shift (places gained after context)0.60Schools gain 0.6 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)

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