Olympia-Lacey-Tumwater, WA · WA

Tumwater School District — Decoded Rankings

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

District profile

Total enrollment
4,194
Free/reduced lunch
38.0%
Avg SES index
61.3
State
WA

Schools in Tumwater School District

Elementary / Middle Schools (9 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Tumwater Middle SchoolNeighborhoodTumwater School District#24#9Medium
George Bush Middle SchoolNeighborhoodTumwater School District#25#12High
Michael T Simmons ElementaryNeighborhoodTumwater School District#14#16High
Black Lake ElementaryNeighborhoodTumwater School District#13#17High
Tumwater Hill ElementaryNeighborhoodTumwater School District#22#20High
Littlerock Elementary SchoolNeighborhoodTumwater School District#9#29High
East Olympia ElementaryNeighborhoodTumwater School District#15#42High
Peter G Schmidt ElementaryNeighborhoodTumwater School District#32#51High
Cascadia High SchoolNeighborhoodTumwater School District#0#0Insufficient

High Schools (3 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
A G West Black Hills High SchoolNeighborhoodTumwater School District#0#0Insufficient
Tumwater High SchoolNeighborhoodTumwater School District#0#0Insufficient
New Market High SchoolNeighborhoodTumwater School District#0#0Insufficient

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)68.05018.0 points above the metro median
Avg decoded percentile (metro)66.95016.9 points above the metro median
Avg rank shift (places gained after context)-5.30Schools lose 5.3 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
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 →