Enrollment
1,280
Washington · 2024-25 NCES data
High school (grades 9-12) · Sedro-Woolley, WA
Sedro Woolley Senior High School
Federal NCES profile for Sedro Woolley Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 530774001279
👥 S:T ratio 13
📚 AP courses 25
🌟 Gifted program 70
🎓 Counselors 27
📋 Attendance 55
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sedro Woolley Senior High School earns 38/100 on the Resource Investment Index, with class sizes larger than 87% of Washington schools. It is also one of the largest schools in Washington.
- #5 of 8
- public schools in Sedro-Woolley · Resource Index
- 38
- Resource Index · Typical
- 21.7:1
- large classes for Washington
- 41.9%
- free-lunch eligible
Sedro Woolley Senior High School has class sizes larger than 87% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Sedro Woolley Senior High School ranks #5 of 8 public schools in Sedro-Woolley, WA.
School address
District: Sedro-Woolley School District · Washington
NCES ID 530774001279 Verify on NCES CCD record →
Teachers (FTE)
59.0
Federal CCD staff survey
Students per teacher
21.7:1
vs 17.6:1 Washington avg
+23% vs state
Free-lunch eligible
41.9%
vs 45.0% Washington avg
-7% vs state
Student-teacher ratio in context
How Sedro Woolley Senior High School compares with Washington and U.S. medians
What stands out at Sedro Woolley Senior High School
Sedro Woolley Senior High School is a large high school in Sedro-Woolley, Washington, enrolling 1,280 students.
Class loads run heavy: 21.7:1 is larger than about 87% of Washington schools and 23% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 41.9% lands close to the Washington typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Washington, bigger than 95% of state schools at 1,280 students.
Its Resource Investment Index lands in the lower third of 2,394 scored Washington schools.
Against 107 statewide peers matched on enrollment and economic need, it ranks mid-pack at #58.
Its student body is led by White (67%) and Hispanic or Latino (24%) (diversity index 49/100).
On the academic-pipeline side it reports 5 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 367 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 18.0% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Sedro-Woolley's high schools, it stands alongside State Street High School (159 students): Sedro Woolley Senior High School is larger than that campus by headcount and runs leaner classes (21.7:1 vs 22.7:1).
Sedro-Woolley School District also operates Cascade Middle School (670 students) and Evergreen Elementary School (511 students) alongside Sedro Woolley Senior High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Sedro Woolley Senior High School compares
Sedro Woolley Senior High School on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.7:1 | ▲ 23% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 41.9% | ▼ 7% | 45.0% | 51.7% |
| Enrollment | 1,280 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.7:1
Leaner classes than 11% of US schools, heavier class loads than most.
1,280
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
41.9%
free-lunch eligible
- 7% below the Washington average of 45.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
21.7:1
students per teacher
- 23% above state mean
Top 87% in Washington - lower ratio than 13% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
18.0%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$17,428
per pupil, district-wide
- below Washington avg of $19,487
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors3.5 FTE
Per 367 students, the combined health-and-guidance staffing load for this school.
Discipline context
12
in-school suspensions + 33 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 3.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 67.2%
Hispanic or Latino 24.4%
Two or More 5.3%
American Indian / Alaska Native 1.6%
Asian 1.0%
African American 0.3%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 67.2% of enrollment.
Student-body diversity index 48.6/100
Simpson diversity index - at 48.6, Sedro Woolley Senior High School is less mixed than the Washington school average of 53.3.
Programs
AP courses offered 5
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Sedro-Woolley School District, which includes Sedro Woolley Senior High School.
$17,428
Per student
-11%
vs Washington
Avg $19,487
+5%
vs U.S.
Avg $16,593
Revenue mix
Local 21.0%
State 66.2%
Federal 12.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Sedro Woolley Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Cascade Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Evergreen Elementary School | Smaller | Higher economic need | Lower S:T ratio |
| Central Elementary School | Smaller | Similar economic need | Lower S:T ratio |
| Mary Purcell Elementary School | Smaller | Higher economic need | Lower S:T ratio |
| Clear Lake Elementary School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Sedro Woolley Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 670
- Students per teacher
- 20.3:1
- Resource Index
- 41/100
- Enrollment
- 511
- Students per teacher
- 14.6:1
- Resource Index
- 43/100
- Enrollment
- 476
- Students per teacher
- 17:1
- Resource Index
- 44/100
- Enrollment
- 465
- Students per teacher
- 17.9:1
- Resource Index
- 43/100
- Enrollment
- 314
- Students per teacher
- 19.6:1
- Resource Index
- 44/100
Similar high schools in Sedro-Woolley
1 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Washington, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,280 students)
Similar student-teacher ratio (~21.7:1)
Next steps
Verify locally before acting on Sedro Woolley Senior High School's federal record.
- Compare Sedro Woolley Senior High School against another school. Compare schools
- Sedro-Woolley School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Sedro Woolley Senior High School
How many students attend Sedro Woolley Senior High School?
Sedro Woolley Senior High School has 1,280 students enrolled. It is a high school in Sedro-Woolley, WA.
What is the student-teacher ratio at Sedro Woolley Senior High School?
The student-teacher ratio at Sedro Woolley Senior High School is 21.7:1, which is 23% higher than the Washington average of 17.6:1 and 38% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sedro Woolley Senior High School?
41.9% of students at Sedro Woolley Senior High School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Sedro Woolley Senior High School?
The largest demographic group at Sedro Woolley Senior High School is White at 67.2% of enrollment, in Sedro-Woolley, WA.
What is the Resource Investment Index for Sedro Woolley Senior High School?
Sedro Woolley Senior High School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Sedro Woolley Senior High School rank among public schools in Sedro-Woolley?
By Resource Investment Index, Sedro Woolley Senior High School ranks #5 of 8 public schools in Sedro-Woolley, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Sedro-Woolley on the city page.
Is Sedro Woolley Senior High School a good school?
Sedro Woolley Senior High School earns 38/100 on the Resource Investment Index, with class sizes larger than 87% of Washington schools. It is also one of the largest schools in Washington. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Sedro-Woolley School District?
Besides Sedro Woolley Senior High School, Sedro-Woolley School District also operates Cascade Middle School (670 students), Evergreen Elementary School (511 students), and Central Elementary School (476 students). See the Sedro-Woolley School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.