Mount Vernon-Anacortes, WA · WA

Sedro-Woolley School District — Decoded Rankings

9 of 13 schools ranked · Updated 2026-05-29

District profile

Total enrollment
2,964
Free/reduced lunch
Avg SES index
52.0
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.
Clear Lake Elementary SchoolEnrollment unknownSedro-Woolley School District#7#3High
Big Lake Elementary SchoolEnrollment unknownSedro-Woolley School District#11#13High
Central Elementary SchoolEnrollment unknownSedro-Woolley School District#23#15High
Cascade Middle SchoolEnrollment unknownSedro-Woolley School District#27#20High
Mary Purcell Elementary SchoolEnrollment unknownSedro-Woolley School District#34#25High
Lyman Elementary SchoolEnrollment unknownSedro-Woolley School District#16#32Medium
Samish Elementary SchoolEnrollment unknownSedro-Woolley School District#29#38Medium
Evergreen Elementary SchoolEnrollment unknownSedro-Woolley School District#26#39High

High Schools (1 ranked)

Schools sortable by achievement rank, decoded rank, rank shift, story type, and confidence.
Sedro Woolley Senior High SchoolEnrollment unknownSedro-Woolley School District#5#5HSHS outcomeHS pool

Story type breakdown

  • 0
  • 1
  • 0
  • 6
  • 1

How this district compares

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

MeasureDistrict avgMetro medianRead
Avg achievement percentile (metro)50.9500.9 points above the metro median
Avg decoded percentile (metro)48.5501.5 points below the metro median
Avg rank shift (places gained after context)-1.50Schools lose 1.5 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 →