Sylvester Middle School
🇺🇸 Official data · 2025Burien, Washington 98166 · Highline School District
#262 of 363 middle schools in Washington
#9571 of 15,369 nationally
About Sylvester Middle School
Sylvester Middle School is a public middle located in Burien, in the Highline School District school district of Washington, United States. It caters for Grades 6–8. In 2025 it enrolled 582 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 41.2 out of 100, placing it in the lower 50% of middle schools in United States and 262nd of 363 ranked middle schools in Washington. Its strongest component is community advantage (fewer free/reduced-price lunch) (57th percentile), and its weakest is students per teacher (17th percentile).
Other published figures: enrollment 582.
There are 7 schools in Burien; Sylvester Middle School ranks 3rd of 7 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)34%
- Reading proficiency (30%)47%
- Community advantage (fewer free/reduced-price lunch) (25%)49.5%
- Students per teacher (15%)19.4
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Sylvester Middle School by the official sources.
- Enrollment
- 582
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 49.5%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 19.4
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 47%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 34%
- Share of tested students proficient or above (all students, all grades).
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Schools near Sylvester Middle School
Closest schools by straight-line distance, with their Success Index (US).
Gregory Heights Elementary
Burien · Public elementary · Grades PK–5
488 students · 1.2 km away
Highline High School
Burien · Public high · Grades 9–12
1,423 students · 1.2 km away
Seahurst Elementary School
Burien · Public elementary · Grades PK–5
405 students · 1.8 km away
Hazel Valley Elementary
Burien · Public elementary · Grades PK–5
469 students · 3.1 km away
Cedarhurst Elementary
Burien · Public elementary · Grades PK–5
399 students · 3.2 km away
Marvista Elementary
Normandy Park · Public elementary · Grades PK–5
532 students · 3.6 km away
Glacier Middle School
SeaTac · Public middle · Grades 6–8
803 students · 3.8 km away
North Hill Elementary
Des Moines · Public elementary · Grades PK–5
518 students · 3.8 km away
Maritime High School
Des Moines · Public high · Grades 9–12
126 students · 4.1 km away
McMicken Heights Elementary
SeaTac · Public elementary · Grades PK–5
484 students · 4.2 km away
Similar schools
Public middle schools in Washington with a comparable Enrollment.
First Creek Middle School
Tacoma · Public middle · Grades 6–8
584 students
Haller Middle School
Arlington · Public middle · Grades 6–8
576 students
Fairhaven Middle School
Bellingham · Public middle · Grades 6–8
588 students
Highland Middle School
Bellevue · Public middle · Grades 6–8
589 students
Kulshan Middle School
Bellingham · Public middle · Grades 6–8
575 students
Edgemont Jr High
Edgewood · Public middle · Grades 6–9
590 students
Frequently asked questions
Is Sylvester Middle School a good school?
Sylvester Middle School has a Success Index (US) of 41.2 out of 100 (Lower 50% of middle schools in United States) and ranks #262 of 363 in Washington. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Sylvester Middle School rank in Washington?
Sylvester Middle School ranks #262 of 363 middle schools in Washington and #9571 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Sylvester Middle School?
Sylvester Middle School had 582 students in 2025.
Is Sylvester Middle School a elementary school or a high school?
Sylvester Middle School is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Sylvester Middle School?
There are 10 schools within 15 km of Sylvester Middle School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.