Olympia-Lacey-Tumwater, WA · WA

Tumwater School District — Decoded Rankings

10 of 15 schools ranked · Updated 2026-05-29

District profile

Total enrollment
4,152
Free/reduced lunch
Avg SES index
53.8
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.
Tumwater Middle SchoolEnrollment unknownTumwater School District#24#11Medium
George Bush Middle SchoolEnrollment unknownTumwater School District#28#12High
Michael T Simmons ElementaryEnrollment unknownTumwater School District#12#16High
East Olympia ElementaryEnrollment unknownTumwater School District#11#19High
Littlerock Elementary SchoolEnrollment unknownTumwater School District#14#24High
Black Lake ElementaryEnrollment unknownTumwater School District#18#27High
Peter G Schmidt ElementaryEnrollment unknownTumwater School District#27#29Medium
Tumwater Hill ElementaryEnrollment unknownTumwater School District#30#36High

High Schools (2 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Tumwater High SchoolEnrollment unknownTumwater School District#3#3HSHS outcomeHS pool
A G West Black Hills High SchoolEnrollment unknownTumwater School District#8#10HSHS outcomeHS pool

Story type breakdown

  • 2
  • 0
  • 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)64.55014.5 points above the metro median
Avg decoded percentile (metro)68.95018.9 points above the metro median
Avg rank shift (places gained after context)-1.30Schools lose 1.3 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
May 29, 2026
Methodology version
0.2.0

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