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Sylvester Middle School

16222 Sylvester Road SW, Burien, WA 98166

CSchola Grade
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Grades
6–8
Middle
Students
582
Enrolled 2024–25
Students per teacher
19.3 : 1
Full-time teachers
District
Highline School District
King County

Schola Grade C · Average

Letter grade (A–F) · compared with 368 Washington middle schools · How we grade
Test scores38% proficient in math & reading
42ndpercentile
Equity24% of low-income students proficient
33rdpercentile
Attendance38% chronically absent
41stpercentile
Class size19.3 students per teacher
46thpercentile

Percentiles compare this school with other Washington middle schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Sylvester Middle School

Sylvester Middle School is a public middle school in Burien, Washington, serving grades 6–8. It is part of Highline School District. The school is located in a large suburb in King County.

In the 2024–25 school year, 582 students were enrolled, with about 19.3 students for every full-time teacher. That ratio is close to the typical Washington middle school (19.1 students per teacher). Its Schola Grade is C (average), compared with 368 Washington middle schools.

Grades & enrollment

Students per grade, 2024–25Grades 6–8

Location & nearby schools

16222 Sylvester Road SW
Burien, WA 98166
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School details

Type
Public School · What this means
Level
Middle
Grades offered
6–8
Enrollment (2024–25)
582 students
Students per teacher
19.3 to 1
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Highline School District
County
King County
NCES school ID
530354000554

Schools near Sylvester Middle School

All 19 schools in Burien →
Rainier Prep
Charter · Grades 5–8 · 359 students
B3.9 mi

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.