Sylvester Middle School
Burien, WA · Highline School District · Grades 6-8
230th of 381 Washington middle schools statewide · better than 40%▲ Improving
Sylvester Middle School ranking
SchoolRow ranks Sylvester Middle School 230th of 381 Washington middle schools for 2024–25, based on WA Smarter Balanced / WCAS 2024–25 English and Math results — better than 40% of middle schools statewide. Its statewide percentile went from 24th in 2019 to 40th in 2025 — improving.
Sylvester Middle School test scores
Percent meeting or exceeding the state standard, WA Smarter Balanced / WCAS 2024–25 · 583 students tested
Sylvester Middle School students
Racial and ethnic breakdown of 548 students (2023–24, NCES) — and how it has shifted since 2013
| Group | Trend | 2013 | 2023 | Change |
|---|---|---|---|---|
| White | 25.5% | 38.7% | ▲ 13.2 pts | |
| Hispanic | 39.3% | 32.5% | ▼ 6.8 pts | |
| Two or more races | 6.8% | 10.9% | ▲ 4.1 pts | |
| Asian | 16.0% | 7.3% | ▼ 8.7 pts | |
| Black | 6.2% | 6.6% | ▲ 0.4 pts | |
| Pacific Islander | 4.7% | 2.2% | ▼ 2.5 pts | |
| American Indian | 1.4% | 1.5% | ▲ 0.1 pts |
Homes near Sylvester Middle School
Typical home value $843K in zip 98166 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Middle schools near Sylvester Middle School
Closest same-level schools, with 2024–25 state rank
- 1Glacier Middle SchoolHighline School District · 2.3 mi away374th of 381
ELA 15% · Math 10% - 1Cascade Middle SchoolHighline School District · 3.1 mi away346th of 381
ELA 26% · Math 17% - 2Chinook Middle SchoolHighline School District · 3.2 mi away329th of 381
ELA 31% · Math 16% - 2Showalter Middle SchoolTukwila School District · 3.3 mi away340th of 381
ELA 26% · Math 18% - 9Rainier PrepRainier Prep Charter School District · 3.9 mi away · charter50th of 381
ELA 67% · Math 59% - 2Pacific Middle SchoolHighline School District · 4.4 mi away336th of 381
ELA 30% · Math 15% - 5David T. Denny International Middle SchoolSeattle School District No. 1 · 5.1 mi away202nd of 381
ELA 45% · Math 33% - 4Dimmitt Middle SchoolRenton School District · 5.6 mi away259th of 381
ELA 39% · Math 28%
Frequently asked questions
What school district is Sylvester Middle School in?
Sylvester Middle School is part of the Highline School District district in Burien, Washington.
Is Sylvester Middle School a good school?
SchoolRow ranks Sylvester Middle School 230th of 381 Washington middle schools (better than 40% statewide) based on 2024–25 test results (WA Smarter Balanced / WCAS 2024–25).
What is the racial makeup of Sylvester Middle School?
White 39%, Hispanic 33%, Two or more races 11%, Asian 7% (548 students, 2023–24).
How much do homes near Sylvester Middle School cost?
The typical home value in zip code 98166 is $843K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (WA Smarter Balanced / WCAS 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.