Mount Vernon-Anacortes, WA · WA

Sedro-Woolley School District — Decoded Rankings

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

District profile

Total enrollment
3,075
Free/reduced lunch
50.9%
Avg SES index
47.1
State
WA

Schools in Sedro-Woolley School District

Elementary / Middle Schools (8 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Mary Purcell Elementary SchoolNeighborhoodSedro-Woolley School District#25#5High
Clear Lake Elementary SchoolNeighborhoodSedro-Woolley School District#10#7High
Central Elementary SchoolNeighborhoodSedro-Woolley School District#23#14High
Samish Elementary SchoolNeighborhoodSedro-Woolley School District#17#19Medium
Big Lake Elementary SchoolNeighborhoodSedro-Woolley School District#14#22High
Lyman Elementary SchoolNeighborhoodSedro-Woolley School District#20#28Medium
Evergreen Elementary SchoolNeighborhoodSedro-Woolley School District#34#33High
Cascade Middle SchoolNeighborhoodSedro-Woolley School District#29#36High

High Schools (2 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Sedro Woolley Senior High SchoolNeighborhoodSedro-Woolley School District#0#0Insufficient
State Street High SchoolNeighborhoodSedro-Woolley School District#0#0Insufficient

Story type breakdown

  • 1
  • 1
  • 0
  • 4
  • 2

How this district compares

District-level averages relative to the Mount Vernon-Anacortes, WA metro median.

MeasureDistrict avgMetro medianRead
Avg achievement percentile (metro)51.2501.2 points above the metro median
Avg decoded percentile (metro)56.8506.8 points above the metro median
Avg rank shift (places gained after context)1.00Schools gain 1.0 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 →