Olympia-Lacey-Tumwater, WA · WA

Tumwater School District — Decoded Rankings

10 of 15 schools ranked · Updated 2026-09-04

District profile

Total enrollment
4,129
Free/reduced lunch
36.9%
Avg SES index
61.4
State
WA

Schools in Tumwater School District

Elementary / Middle Schools (8 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Rating
George Bush Middle SchoolNeighborhoodTumwater School District#597#206 (WA)#4 (Olympia-Lacey-Tumwater metro)High
Littlerock Elementary SchoolNeighborhoodTumwater School District#388#243 (WA)#5 (Olympia-Lacey-Tumwater metro)High
Tumwater Middle SchoolNeighborhoodTumwater School District#535#548 (WA)#15 (Olympia-Lacey-Tumwater metro)Medium
Michael T Simmons ElementaryNeighborhoodTumwater School District#409#570 (WA)#16 (Olympia-Lacey-Tumwater metro)High
East Olympia ElementaryNeighborhoodTumwater School District#381#967 (WA)#34 (Olympia-Lacey-Tumwater metro)High
Peter G Schmidt ElementaryNeighborhoodTumwater School District#568#1162 (WA)#44 (Olympia-Lacey-Tumwater metro)High
Black Lake ElementaryNeighborhoodTumwater School District#509#1285 (WA)#51 (Olympia-Lacey-Tumwater metro)High
Tumwater Hill ElementaryNeighborhoodTumwater School District#780#1319 (WA)#52 (Olympia-Lacey-Tumwater metro)High

High Schools (2 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Rating
Tumwater High SchoolNeighborhoodTumwater School District#86#93 (WA)HS#2 (Olympia-Lacey-Tumwater metro)HS outcomeMedium
A G West Black Hills High SchoolNeighborhoodTumwater School District#142#276 (WA)HS#11 (Olympia-Lacey-Tumwater metro)HS outcomeMedium

Story type breakdown

  • 1
  • 1
  • 2
  • 4
  • 0

How this district compares

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

MeasureDistrict avgMetro medianRead
Avg achievement percentile (metro)65.75015.7 points above the metro median
Avg decoded percentile (metro)51.6501.6 points above the metro median
Avg rank shift (places gained after context)-7.80Schools lose 7.8 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
September 4, 2026
Methodology version
0.14.0
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 →