Enrollment
1,184
Washington · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 530771001149
Chief Sealth International High School — Seattle, WA
Federal NCES profile for Chief Sealth International High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 37/100.
👥 Class size 22
📚 AP courses 10
🌟 Gifted program 70
🎓 Counselors 21
📋 Attendance 60
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Seattle School District No. 1 · Washington
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
66.0
Federal CCD staff survey
Students per teacher
19.5:1
vs 17.8:1 Washington avg
+10% vs state
Free-lunch eligible
52.2%
vs 45.0% Washington avg
+16% vs state
Student-teacher ratio in context
How Chief Sealth International High School compares with Washington and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Chief Sealth International High School reports 1,184 enrolled students to the National Center for Education Statistics (NCES) alongside 66.0 full-time-equivalent teachers, producing a 19.5:1 student-teacher ratio. That figure sits 10% above the Washington state mean of 17.8:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 23% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 52.2% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 16% above the Washington average and 1% above the national baseline. The school offers 2 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 395 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 15.9% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Seattle School District No. 1 spends $25,927 per pupil district-wide, above the Washington average of $23,175 and above the national average of $19,490. Revenue comes 40.0% from local sources (property taxes), 50.6% from the state, and 9.3% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 37/100 (F), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Chief Sealth International High School compares
Cross-validating school-level NCES values against Washington state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.5:1 | ▲ 10% | 17.8:1 | 15.9:1 |
| Free-lunch eligible | 52.2% | ▲ 16% | 45.0% | 51.8% |
| Enrollment | 1,184 | top 94% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
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
19.5:1
students per teacher
— 10% above state mean
Top 78% in Washington — lower ratio than 22% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
15.9%
chronically absent (missed 10%+ of school days)
Between 10–20% — above the pre-pandemic baseline of ~15% nationally but within the current U.S. range.
Funding equity
$25,927
per pupil, district-wide
— above Washington avg of $23,175
Above the U.S. public-school average, reflecting 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.
Overview
Enrollment 1,184 Top 94% in Washington — larger than 6% of 2,465 state schools
Teachers (FTE) 66.0
Students per teacher 19.5:1 +10% vs state
Free-lunch eligible 52.2% +16% vs state
NCES ID 530771001149
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.
Programs & staff
AP courses offered 2
Gifted & talented Yes
Counselors (FTE) 3.0
Students per counselor 395:1
Discipline & special education
Chronically absent 15.9%
In-school suspensions 0
Out-of-school suspensions 72
Expulsions 1
Funding & spending
District-wide per-pupil expenditure for Seattle School District No. 1, which includes Chief Sealth International High School.
$25,927
Per student
+12%
vs Washington
Avg $23,175
+33%
vs U.S.
Avg $19,490
Revenue mix
Local 40.0%
State 50.6%
Federal 9.3%
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.
Other Schools in This District
- Enrollment
- 1,770
- Students per teacher
- 23:1
- Enrollment
- 1,697
- Students per teacher
- 21.2:1
- Enrollment
- 1,542
- Students per teacher
- 20.5:1
- Enrollment
- 1,507
- Students per teacher
- 24.1:1
- Enrollment
- 1,479
- Students per teacher
- 22.2:1
Similar high schools in Seattle
6 comparable high schools (grades 9-12) serving the same city.
Ballard High School
Standard public school
1,697 students 21.2:1 students per teacher
Roosevelt High School
Standard public school
1,542 students 20.5:1 students per teacher
Garfield High School
Standard public school
1,507 students 24.1:1 students per teacher
West Seattle High School
Standard public school
1,479 students 22.2:1 students per teacher
Ingraham High School
Standard public school
1,391 students 20.7:1 students per teacher
Franklin High School
Standard public school
1,277 students 19.7:1 students per teacher
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
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.
What is the student-teacher ratio at Chief Sealth International High School?
The student-teacher ratio at Chief Sealth International High School is 19.5:1, which is 10% higher than the Washington average of 17.8:1 and 23% higher than the national average of 15.9:1.
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%. The school serves a diverse student body in SEATTLE, WA.
What is the Resource Investment Index for Chief Sealth International High School?
Chief Sealth International High School has a Resource Investment Index of 37/100 (F) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.