- Enrollment
- 1,770
- Students per teacher
- 24.6:1
- Resource Index
- 46/100
High school (grades 9-12) · Seattle, WA
Chief Sealth International High School
Federal NCES profile for Chief Sealth International High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 530771001149
👥 S:T ratio 28
🌟 Gifted program 70
🎓 Counselors 21
📋 Attendance 60
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Chief Sealth International High School earns 45/100 on the Resource Investment Index, with class sizes near the Washington median. It is also more racially and ethnically mixed than most Washington schools.
- #9 of 14
- high schools in Seattle · Resource Index
- 45
- Resource Index · Typical
- 17.9:1
- students per teacher
- 52.2%
- free-lunch eligible
Chief Sealth International High School has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Chief Sealth International High School ranks #9 of 14 high schools in Seattle, WA.
School address
District: Seattle School District No. 1 · Washington
NCES ID 530771001149 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-88 students YoY
Chief Sealth International High School shrank from 1,289 students in 2022-23 to 1,201 in 2023-24 (-6.8%).
Teacher FTE lost 66.5 → 66.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-88 students YoY 530771001149 · Seattle, WA High · MID · TRAD
1,184 enr · 17.9:1 · 52.2% lunch · RII 45
Nearest enrollment peer: Lincoln High School (1,770 students)
Chief Sealth International High School shrank from 1,289 students in 2022-23 to 1,201 in 2023-24 (-6.8%). Teacher FTE lost 66.5 → 66.2 across the same CCD years. Read with this school → · District book → · Washington schools → · Find another →
Chief Sealth International High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lincoln High S
Lincoln High School
1,770 students
- Ballard High S
Ballard High School
1,697 students
- Roosevelt High
Roosevelt High School
1,542 students
- Garfield High
Garfield High School
1,507 students
- West Seattle H
West Seattle High School
1,479 students
- This school
Chief Sealth International High School
1,184 students
What this shows Chief Sealth International High School reports 1,184 students on the CCD universe file.
How Chief Sealth International High School compares
Chief Sealth International High School is a shrinking campus on CCD: ratios and free-lunch share vs Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.9:1 | ▲ 2% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 52.2% | ▲ 16% | 45.0% | 51.7% |
| Enrollment | 1,184 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.9:1
Leaner classes than 25% of US schools, heavier class loads than most.
1,184
Bigger than 94% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
52.2%
free-lunch eligible
- 16% above the Washington average of 45.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.9:1
students per teacher
- 2% above state mean
Top 64% in Washington - lower ratio than 36% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
15.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$21,806
per pupil, district-wide
- above Washington avg of $20,912
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 395 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 72 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 6.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 25.7%
Hispanic or Latino 25.5%
African American 23.3%
Asian 13.6%
Two or More 9.6%
Native Hawaiian / Pacific Islander 1.7%
American Indian / Alaska Native 0.6%
Largest group: White at 25.7% of enrollment.
Student-body diversity index 78.7/100
Simpson diversity index - at 78.7, Chief Sealth International High School is more mixed than the Washington school average of 53.3.
Programs
AP courses offered 2
Gifted & talented Yes
District finance for Seattle School District No. 1 reports $21,806 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Chief Sealth International High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lincoln High School | Larger | Lower economic need | Higher S:T ratio |
| Ballard High School | Larger | Lower economic need | Higher S:T ratio |
| Roosevelt High School | Larger | Lower economic need | Higher S:T ratio |
| Garfield High School | Larger | Lower economic need | Higher S:T ratio |
| West Seattle High School | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Chief Sealth International High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,697
- Students per teacher
- 22.6:1
- Resource Index
- 46/100
- Enrollment
- 1,542
- Students per teacher
- 20.6:1
- Resource Index
- 46/100
- Enrollment
- 1,507
- Students per teacher
- 22.2:1
- Resource Index
- 39/100
- Enrollment
- 1,479
- Students per teacher
- 24.6:1
- Resource Index
- 35/100
Similar high schools in Seattle
6 comparable high schools (grades 9-12) serving the same city.
Lincoln High School
Standard public school
1,770 students 24.6:1 students per teacher
Evergreen High School
Standard public school
1,080 students 19.6:1 students per teacher
Summit Public School: Sierra
Standard public school
214 students 12.6:1 students per teacher
New Start
Alternative education program
142 students 17.8:1 students per teacher
Interagency Open Doors
Alternative education program
132 students
Puget Sound Skills Center
Vocational / career-technical school
3 students
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,184 students)
Frequently asked questions about Chief Sealth International High School
How many students attend Chief Sealth International High School?
Chief Sealth International High School has 1,184 students enrolled. It is a high school in Seattle, WA. CCD year-over-year: 1,289 (2022-23) → 1,201 (2023-24), down 88.
What is the student-teacher ratio at Chief Sealth International High School?
The student-teacher ratio at Chief Sealth International High School is 17.9:1, which is 2% higher than the Washington average of 17.6:1 and 14% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Chief Sealth International High School?
52.2% of students at Chief Sealth International High School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Chief Sealth International High School?
The largest demographic group at Chief Sealth International High School is White at 25.7% of enrollment, in Seattle, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 78.7/100.
What is the Resource Investment Index for Chief Sealth International High School?
Chief Sealth International High School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Chief Sealth International High School rank among high schools in Seattle?
By Resource Investment Index, Chief Sealth International High School ranks #9 of 14 high schools in Seattle, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Seattle on the city page.
What other schools are in Seattle School District No. 1?
Besides Chief Sealth International High School, Seattle School District No. 1 also operates Lincoln High School (1,770 students), Ballard High School (1,697 students), and Roosevelt High School (1,542 students). See the Seattle School District No. 1 district page for the complete list.