Olympia-Lacey-Tumwater, WA · WA

Rainier School District — Decoded Rankings

3 of 3 schools ranked · Updated 2026-07-26

District profile

Total enrollment
734
Free/reduced lunch
46.3%
Avg SES index
53.7
State
WA

Schools in Rainier School District

Elementary / Middle Schools (2 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Rainier Middle SchoolNeighborhoodRainier School District#31#18High
Rainier Elementary SchoolNeighborhoodRainier School District#19#19High

High Schools (1 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Rainier Senior High SchoolNeighborhoodRainier School District#5#5HSHS outcomeHS pool

Story type breakdown

  • 0
  • 0
  • 0
  • 2
  • 0

How this district compares

District-level averages relative to the Olympia-Lacey-Tumwater, WA metro median.

MeasureDistrict avgMetro medianRead
Avg achievement percentile (metro)57.9507.9 points above the metro median
Avg decoded percentile (metro)69.35019.3 points above the metro median
Avg rank shift (places gained after context)6.50Schools gain 6.5 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 →