Middle · Regular · Grades 6 to 8
Chinook Middle School, SeaTac, WA
Enrollment and teachers
- Students
- 620
- Teachers (FTE)
- 35.0
- Students per teacher
- 17.7
- Grades
- 6 to 8
This school's ratio is about the same as the district figure of 17.9. The Washington average across schools is 18.2. Ratios count all teachers, including specialists, so they are lower than typical class sizes.
School details
- Address
- 18650 42nd Ave S, SeaTac, WA 98188
- Phone
- (206)631-5700
- District
- Highline School District
- County
- King County
- Level
- Middle
- Type
- Regular
- Status
- Open
- Charter
- No
- Virtual
- No
- Locale
- Suburb: Large
- NCES school ID
- 530354000524
School meals
- Free lunch
- 366
- Reduced-price lunch
- 86
- Free or reduced-price lunch
- 45272.9% of enrollment.
- Direct certification
- 323Students certified through programs such as SNAP, without an application.
- Community Eligibility Provision
- Yes (CEP school)
Schools in the Community Eligibility Provision (CEP) serve free meals to all students, so their free lunch counts often reflect direct certification or total enrollment. Free and reduced lunch shares are not comparable between CEP and non-CEP schools.
Related schools
Other middle schools in Highline School District
- Glacier Middle School 803 students
- Cascade Middle School 671 students
- Pacific Middle School 604 students
- Sylvester Middle School 582 students
We publish official enrollment and staffing data, not ratings or test scores.
Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.