Seattle-Tacoma-Bellevue, WA · WA

Arlington School District — Decoded Rankings

9 of 11 schools ranked · Updated 2026-05-29

District profile

Total enrollment
3,586
Free/reduced lunch
42.2%
Avg SES index
51.1
State
WA

Schools in Arlington School District

Elementary / Middle Schools (7 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Kent Prairie ElementaryNeighborhoodArlington School District#297#206High
Eagle Creek ElementaryNeighborhoodArlington School District#380#325High
Presidents ElementaryNeighborhoodArlington School District#328#355Medium
Haller Middle SchoolNeighborhoodArlington School District#498#382High
Pioneer ElementaryNeighborhoodArlington School District#429#402High
Post Middle SchoolNeighborhoodArlington School District#522#445High
Stillaguamish Valley Learning CenterNeighborhoodArlington School District#0#0Insufficient

High Schools (2 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Arlington High SchoolNeighborhoodArlington School District#0#0Insufficient
Weston High SchoolNeighborhoodArlington School District#0#0Insufficient

Story type breakdown

  • 0
  • 0
  • 0
  • 5
  • 1

How this district compares

District-level averages relative to the Seattle-Tacoma-Bellevue, WA metro median.

MeasureDistrict avgMetro medianRead
Avg achievement percentile (metro)40.05010.0 points below the metro median
Avg decoded percentile (metro)51.5501.5 points above the metro median
Avg rank shift (places gained after context)56.50Schools gain 56.5 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
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 →