School overview
At a glance
Reported students
1,184
NCES CCD 2024–25, where reported
Teachers (FTE)
62.82
NCES CCD 2024–25
Student–teacher ratio
18.8:1
Calculated, not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
Washington high enrollment
79th percentile
Compared with 624 same-level schools reporting enrollment.
District median enrollment
367
Chief Sealth International High School: 1,184 reported students.
State peer staffing position
44th percentile
18.8:1 reported; state peer median 19.9:1. Ratio is not class size.
Profile interpretation
What the reported data says about Chief Sealth International High School
Chief Sealth International High School is a public high school serving grades 09–12 in SEATTLE. It is one of 108 current school records connected to Seattle School District No. 1. NCES reports 1,184 students for 2024–25.
Among 624 high schools in Washington with comparable records, this school is larger than the reported median of 225 students. Its enrollment is at approximately the 79th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 18.8:1, close to the Washington median of 19.9:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The two largest reported race and ethnicity groups are White (25.5%) and Hispanic or Latino (25.3%). English learners represent 17.1% of enrollment. Students served under IDEA represent 20.1%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports access to Advanced Placement, gifted and talented programming, computer science. The school reported 2 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Turn data into a school visit
Questions worth asking Chief Sealth International High School
- 1How do the reported 18.8:1 student–teacher ratio and 62.82 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3How are the school's 3 counselor FTE allocated across grades and student needs?
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Student context
Enrollment needs
- English learners
- 17.1%
- Students with disabilities
- 20.1%
- Free/reduced-price lunch
- 51.6%
- Lunch program
- Yes under Community Eligibility Option (CEO)
People available to students
Support staff
- Counselors (FTE)
- 3
- Nurses (FTE)
- 1.07
- Psychologists (FTE)
- 1.32
- Social workers (FTE)
- 2
Student demographics
Race and ethnicity share of reported enrollment
- White25.5%
- Hispanic25.3%
- Black23.1%
- Asian13.4%
- American Indian / Alaska Native0.6%
- Native Hawaiian / Pacific Islander1.7%
- Multiracial9.5%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.
Learning opportunities
Programs reported by the school
Advanced Placement
Offered
2 courses reported
Gifted and talented
Offered
Computer science
Offered
Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.
Continue exploring
Other schools in Seattle School District No. 1
Start with campuses at the same school level or with similar reported enrollment.
Franklin High School
High · Grades 09–12
1,277 reported students
Nathan Hale High School
High · Grades 09–12
1,052 reported students
Ingraham High School
High · Grades 09–12
1,391 reported students
West Seattle High School
High · Grades 09–12
1,479 reported students
Cleveland High School STEM
High · Grades 09–12
875 reported students
Garfield High School
High · Grades 09–12
1,507 reported students