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Average

#1681 of 2,228 schools in WA

Sylvester Middle School

Middle School · Highline School District

16222 Sylvester Road SW, Burien, WA 98166

Enrollment

548

Student-Teacher

18.9:1

Score

5.1

Grades

6th – 8th

Data vintage2022-23

How this school compares

Washington schools

#1,681 of 2,228

In Burien

#5 of 11

public schools

In district

#16 of 34

Highline School District

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Sylvester Middle School

5.1/10

Middle School in Burien · grades 6th – 8th. Start here, then compare fit against nearby and district options.

Three Tree Montessori School

7.4/10

0.2 mi away. Use as a geographic alternative in the same move search.

Highline Public Schools Virtual Academy

4.8/10

0.3 mi away. Use as a geographic alternative in the same move search.

About Sylvester Middle School

Sylvester Middle School is a public middle school in Burien, WA, part of Highline School District. Sylvester Middle School serves approximately 548 students, and covers grades 6th-8th, and has a 18.9:1 student-teacher ratio. Sylvester Middle School has a current MySchoolScout rating of 5.1 out of 10 and ranks #1,681 of 2,228 schools in WA.

Structured state assessment records for Sylvester Middle School show 39% math proficiency (multi-year average, 2009-2024) and 48% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares0.8 pts above district
  • This school 5.1 · Average
  • District avg 4.3
  • WA avg 6.0

What Parents Should Know

Test scores at Sylvester Middle School sit below average, but its growth scores are strong: students here make above-average progress year over year. The raw numbers haven't caught up, but a school that keeps moving kids forward is doing the harder, more important work.

43% of students at Sylvester Middle School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress6.1Average40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data13
Annual Change-1.61 pts/yr
Data Period2009–2024
TrendDeclining
Academics4.0Below Average35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency25.8% (2024 SBA)
Reading/ELA Proficiency36.5% (2024 SBA)
Math vs. State Avg-12.8 pts
Reading vs. State Avg-11 pts
Overall Proficiency31% (2024 SBA, Math+ELA)
Expected (poverty-adj.)44% (model expectation from 2024 SBA)
vs. Expected-13.2 pts
Adjusted Percentile21th
Resources & Environment5.0Average25%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio18.9:1
Per-Pupil Spending$20,594
Chronic Absenteeism42.9%

Sylvester Middle School — Students at Sylvester Middle School score 31% proficient, which is below what's typical for similar communities (expected: 44%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

51.6%

Students qualifying for federal meal assistance

Test Scores WA SBA (2023-24)

Math Proficiency 38.8% (multi-year average, 2009-2024)
School
State
37.9% (2024 SBA)
ELA Proficiency 48.4% (multi-year average, 2009-2024)
School
State
49.0% (2024 SBA)

Based on 34 test records from WA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
46%
ELA
57%
2010
Math
43%
ELA
57%
2011
Math
47%
ELA
55%
2012
Math
48%
ELA
60%
2013
Math
75%
ELA
75%
2014
Math
46%
ELA
46%
2015
Math
42%
ELA
48%
2016
Math
37%
ELA
47%
2017
Math
35%
ELA
44%
2018
Math
34%
ELA
47%
2019
Math
34%
ELA
47%
2022
Math
30.2%
ELA
46%
2024
Math
25.8%
ELA
36.5%

Source: EdFacts (NCES) and state assessment data. Growth score: 6.1/10.

How Sylvester Middle School Compares

See how Sylvester Middle School performs across key quality dimensions compared to state benchmarks.

Overall Score
5.1/10
25th percentile in WA
Academic
4.0/10
Below Average
Growth
6.1/10
Average
Environment
5.0/10
Average
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
52%
Teaching Staff
19:1 student-teacher ratio
29 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
42.9%

Programs & Offerings

Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

16222 Sylvester Road SW, Burien, WA 98166

Nearby Alternatives

Families considering Sylvester Middle School may also want to explore other middle schools in the area. North Hill Elementary (rated 8.4/10, 2.4 miles away, in nearby Des Moines), which scores notably higher. Another option is Gregory Heights Elementary (rated 7.9/10, 0.7 miles away), which scores notably higher. Additionally, THREE TREE MONTESSORI SCHOOL (rated 7.4/10, 0.2 miles away), which scores notably higher. For more schools in Burien, see our Burien schools guide .

Nearby Schools

20 within 3.1 mi
School Distance Rating
THREE TREE MONTESSORI SCHOOL Burien 0.2 mi 7.4
Highline Public Schools Virtual Academy Burien 0.3 mi 4.8
Highline High School Burien 0.8 mi 3.3
Gregory Heights Elementary Burien 0.7 mi 7.9
Seahurst Elementary School Burien 1.1 mi 4.5
ST FRANCIS OF ASSISI SCHOOL Burien 1.1 mi 6.3
JOHN F KENNEDY CATHOLIC HIGH SCHOOL Burien 1.5 mi 6.6
Big Picture School Burien 1.5 mi 7.2
GLENDALE LUTHERAN SCHOOL Burien 1.7 mi 6.1
CHOICE Academy Seattle 1.6 mi 7.4
Highline Home School Center Burien 1.6 mi
Hazel Valley Elementary Burien 1.9 mi 4.0
Cedarhurst Elementary Burien 2.0 mi 3.5
ST BERNADETTE SCHOOL Burien 2.2 mi 6.2
Marvista Elementary Normandy Park 2.2 mi 6.6
North Hill Elementary Des Moines 2.4 mi 8.4
Maritime High School Des Moines 2.6 mi 7.4
Highline Open Doors 1418 Burien 2.7 mi 3.8
Evergreen High School Seattle 2.9 mi 5.3
Cascade Middle School Seattle 3.1 mi 4.5

Neighborhood Census ACS (2019-2023)

Census data for ZIP 98166 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$112,191

Median Home Value

$785,700

Median Rent

$1,739/mo

Population

22,001

College Educated

45.5%

Homeownership

66.6%

Avg Commute

26.8 min

Poverty Rate

8.7%

Median Age

43.7

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Daybreak Middle Battle Ground, WA 5.1
Edgemont Jr High Edgewood, WA 5.1
Glover Middle School Spokane, WA 5.1
Highland Middle School Bellevue, WA 5.1
Shuksan Middle School Bellingham, WA 5.1
Sierra Vista Middle School Sunnyside, WA 5.1

Frequently Asked Questions

Common questions about Sylvester Middle School

What grades does Sylvester Middle School serve?

Sylvester Middle School serves students in grades 6th through 8th.

How many students attend Sylvester Middle School?

Sylvester Middle School has an enrollment of approximately 548 students.

What is the student-teacher ratio at Sylvester Middle School?

The student-teacher ratio at Sylvester Middle School is 18.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Sylvester Middle School rank in WA?

Sylvester Middle School ranks #1,681 of 2,228 schools in WA.

What is Sylvester Middle School's MySchoolScout rating?

Sylvester Middle School has a current MySchoolScout rating of 5.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Sylvester Middle School?

Based on loaded state assessment records, Sylvester Middle School has 39% math proficiency (multi-year average, 2009-2024) and 48% reading/ELA proficiency (multi-year average, 2009-2024).

Is Sylvester Middle School a charter school?

No, Sylvester Middle School is not a charter school. It is a traditional public school operated by the local school district.

Is Sylvester Middle School a Title I school?

No, Sylvester Middle School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Sylvester Middle School?

51.6% of students at Sylvester Middle School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
64 Somewhat Walkable
Transit Score
46 Some Transit
Bike Score
42 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
6th – 8th
Enrollment
548
Student-Teacher Ratio
18.9:1
Teachers (FTE)
29
Free/Reduced Lunch
51.6%
Type
regular
Setting
Large Suburb
County
King County
Chronic Absenteeism (SY 2022-23)
42.9%

District

Highline School District
District Enrollment
17,823
Schools in District
43
Per-Pupil Spending
$20,594
District Rank
#16 of 34

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