Sedro Woolley Senior High School
🇺🇸 Official data · 2025Sedro-Woolley, Washington 98284 · Sedro-Woolley School District
#202 of 333 high schools in Washington
#8456 of 16,910 nationally
About Sedro Woolley Senior High School
Sedro Woolley Senior High School is a public high school located in Sedro-Woolley, in the Sedro-Woolley School District school district of Washington, United States. It caters for Grades 9–12. In 2025 it enrolled 1,280 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 49.7 out of 100, placing it in the top 50% of high schools in United States and 202nd of 333 ranked high schools in Washington. Its strongest component is reading proficiency (65th percentile), and its weakest is students per teacher (10th percentile).
Other published figures: enrollment 1,280.
There are 6 schools in Sedro-Woolley; Sedro Woolley Senior High School ranks 3rd of 6 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)39%
- Reading proficiency (30%)64%
- Community advantage (fewer free/reduced-price lunch) (25%)47.7%
- Students per teacher (15%)22.1
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Sedro Woolley Senior High School by the official sources.
- Enrollment
- 1,280
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 47.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 22.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 64%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 39%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Sedro Woolley Senior High School
Closest schools by straight-line distance, with their Success Index (US).
Central Elementary School
Sedro-Woolley · Public elementary · Grades K–6
476 students · 393 m away
Mary Purcell Elementary School
Sedro-Woolley · Public elementary · Grades K–6
465 students · 553 m away
Cascade Middle School
Sedro-Woolley · Public middle · Grades 7–8
670 students · 1.6 km away
Evergreen Elementary School
Sedro-Woolley · Public elementary · Grades K–6
511 students · 1.9 km away
Clear Lake Elementary School
Clear Lake · Public elementary · Grades K–6
314 students · 4.0 km away
Lucille Umbarger Elementary
Burlington · Public elementary · Grades K–8
619 students · 6.9 km away
Burlington Edison High School
Burlington · Public high · Grades 9–12
1,047 students · 7.8 km away
Centennial Elementary School
Mount Vernon · Public elementary · Grades K–5
430 students · 8.0 km away
West View Elementary
Burlington · Public elementary · Grades K–6
353 students · 8.1 km away
Harriet Rowley
Mount Vernon · Public elementary · Grades K–5
440 students · 8.9 km away
Similar schools
Public high schools in Washington with a comparable Enrollment.
Franklin High School
Seattle · Public high · Grades 9–12
1,277 students
Squalicum High School
Bellingham · Public high · Grades 9–12
1,273 students
Bremerton High School
Bremerton · Public high · Grades 9–12
1,263 students
Ridgefield High School
Ridgefield · Public high · Grades 9–12
1,249 students
Curtis Senior High
University Place · Public high · Grades 10–12
1,321 students
Capital High School
Olympia · Public high · Grades 9–12
1,322 students
Frequently asked questions
Is Sedro Woolley Senior High School a good school?
Sedro Woolley Senior High School has a Success Index (US) of 49.7 out of 100 (Top 50% of high schools in United States) and ranks #202 of 333 in Washington. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Sedro Woolley Senior High School rank in Washington?
Sedro Woolley Senior High School ranks #202 of 333 high schools in Washington and #8456 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Sedro Woolley Senior High School?
Sedro Woolley Senior High School had 1,280 students in 2025.
Is Sedro Woolley Senior High School a elementary school or a high school?
Sedro Woolley Senior High School is classified as a high school covering Grades 9–12. It is a public school.
What other schools are near Sedro Woolley Senior High School?
There are 10 schools within 15 km of Sedro Woolley Senior High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.