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Average

#179 of 381 private schools in WA

Top 47% of private schools

Seattle School for Boys

Middle School

2800 S MASSACHUSETTS, Seattle, WA 98144

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 33 schools in Seattle. Learn more

Enrollment

49

Student-Teacher

9.8:1

Score

6.5

Grades

6th – 8th

Updated 2021-22

How this school compares

In Seattle

#46 of 68

public schools

Washington middle schools

#6 of 13

About Seattle School for Boys

Seattle School for Boys serves 49 middle school students in grades 6-8 with an exceptionally small student-teacher ratio of 9.8:1, supported by 5 full-time equivalent teachers. This intimate learning environment allows for personalized attention that many families value in their child's middle school experience. The school earns a solid 7.7 out of 10 rating from MySchoolScout and ranks #172 out of 381 middle schools statewide, placing it in the 55th percentile among Washington schools.

As a regular public school option, Seattle School for Boys provides an alternative to traditional co-educational settings during these formative middle school years. Located on South Massachusetts Street, the school sits in the heart of Seattle's vibrant 98144 ZIP code area. This neighborhood reflects Seattle's educated, urban character, with 62% of residents holding bachelor's degrees or higher and a median household income of $97,953.

The area maintains a relatively low poverty rate of 9.5%, contributing to a stable community environment. The school's small size creates a close-knit community where students and faculty can build strong relationships. Families choosing this option often appreciate the focused, single-gender educational approach during the transitional middle school years.

Seattle School for Boys operates within one of Seattle's well-established residential neighborhoods, offering students an urban educational experience in the Pacific Northwest.

What Parents Should Know

With an enrollment of 49 students, Seattle School for Boys is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

With a student-teacher ratio of 9.8:1, Seattle School for Boys offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.

As a private school, Seattle School for Boys operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.

Financial Overview

Source: IRS Form 990 (2021 filing)

Per-Pupil Spending
Total expenses ÷ enrollment
$15,987
Per-Pupil Revenue
Total revenue ÷ enrollment
$15,071
Financial Health
Revenue-to-expense ratio (>1.0 = surplus)
0.94x — Tight
Tuition Dependency
Share of revenue from program services (tuition, fees)
46%
Total Assets
End-of-year total assets from IRS filing
$83,274

Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 49 students. Not all private schools file Form 990.

Compare to Public Schools

Beta

How Seattle School for Boys compares to 34 public schools serving similar grades in Seattle, WA

Student-Teacher Ratio
9.8:1
This School
vs
17.6:1
Public Avg
Avg School Size
49
This School
vs
503
Public Avg
Avg School Scout Rating
6.5
This School
vs
6.3
Public Avg

Student Demographics

White 77.6% vs 0%
Black 10.2% vs 0%
Asian 6.1% vs 0%
Hispanic 2% vs 0%
Seattle School for Boys Seattle Public Avg

Nearby Middle Schools

School Rating
Seattle School for Boys (this school) 6.5
Washington Middle School 6.0
Interagency Detention School 5.9
Private School Services 6.7
Interagency Programs 6.0
Seattle World School 6.5
Mercer International Middle School 6.4
Edmonds S. Meany Middle School 4.6
Orca K-8 School 4.9
Aki Kurose Middle School 7.7
Rainier Valley Leadership Academy 5.3
Pathfinder K-8 School 5.4
Tops K-8 School 8.6
Louisa Boren STEM K-8 4.6
McClure Middle School 6.1
Madison Middle School 7.2
South Shore PK-8 School 5.8
Hamilton International Middle School 6.5
David T. Denny International Middle School 5.8
Rainier Prep 8.9
Bridges Transition 4.1

Showing 20 of 34 schools. View all schools in Seattle

Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.

Score Breakdown

What This Rating Measures

This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in WA.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
B+ 7.1 / 10
View breakdown
Student-Teacher Ratio 9.8:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
A+ 9.8 / 10
View breakdown
School Day Length 7.5 hours
Annual Instructional Hours 1,950
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
B- 5.3 / 10
View breakdown
Diversity Index 38%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
C 3.4 / 10
View breakdown
Enrollment 49
View data sources

Score basis: Private school model

Data coverage: 80% of scoring components had data

Components scored: 4 of 5

Ranking pool: Private schools in WA

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 77.6%
Black 10.2%
Asian 6.1%
Two or More 4.1%
Hispanic 2.0%

Source: NCES Private School Survey (PSS)

Location

2800 S MASSACHUSETTS, Seattle, WA 98144

Nearby Alternatives

Families considering Seattle School for Boys may also want to explore other middle schools in the area. LAKE WASHINGTON GIRLS MIDDLE SCHOOL (rated 7.8/10, 0.5 miles away), which scores notably higher. Another option is HAMLIN ROBINSON SCHOOL (rated 7.6/10, 0.5 miles away), which scores notably higher. Additionally, SEATTLE GIRLS SCHOOL (rated 7.2/10, 0.7 miles away), which scores slightly higher. For more schools in Seattle, see our Seattle schools guide .

Nearby Schools

20 within 1.6 mi
School Distance Rating
Thurgood Marshall Elementary Seattle 0.2 mi 7.6
LAKE WASHINGTON GIRLS MIDDLE SCHOOL Seattle 0.5 mi 7.8
GIDDENS SCHOOL Seattle 0.5 mi 7.3
HAMLIN ROBINSON SCHOOL Seattle 0.5 mi 7.6
SEATTLE GIRLS SCHOOL Seattle 0.7 mi 7.2
Washington Middle School Seattle 0.7 mi 6.0
MENACHEM MENDEL SEATTLE CHEDER DAY SCHOOL Seattle 0.7 mi 6.1
Franklin High School Seattle 0.9 mi 6.4
Leschi Elementary School Seattle 0.9 mi 8.5
Kimball Elementary School Seattle 1.0 mi 7.6
John Muir Elementary School Seattle 1.1 mi 6.8
Garfield High School Seattle 1.1 mi 6.6
SEATTLE CLASSICAL CHRISTIAN SCHOOL Seattle 1.1 mi 5.8
THE LAKE AND PARK SCHOOL Seattle 1.1 mi 5.6
BRIGHT WATER WALDORF SCHOOL Seattle 0.9 mi 7.8
Beacon Hill International School Seattle 0.9 mi 8.4
Nova High School Seattle 1.4 mi 5.5
Bailey Gatzert Elementary School Seattle 1.2 mi 9.1
Summit Public School: Sierra Seattle 1.2 mi 8.6
ST THERESE CATHOLIC ACADEMY Seattle 1.6 mi 7.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 98144 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$94,051

Median Home Value

$890,400

Median Rent

$1,805/mo

Population

33,048

College Educated

62.4%

Homeownership

46.1%

Avg Commute

26.9 min

Poverty Rate

11.1%

Median Age

38.2

Community Profile

The community surrounding Seattle School for Boys has a median household income of $94,051. It is a well-educated community where 62% of adults hold a bachelor's degree or higher. The median home value in the area is $890,400, with a median rent of $1,805/month. The area has a poverty rate of 11.1%. The average commute for residents is 27 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
Inchelium Middle School Inchelium, WA 6.9
SEATTLE JEWISH COMMUNITY SCHOOL Seattle, WA 6.0
Selkirk Middle School Ione, WA 7.2
Prescott Middle School Prescott, WA 7.6
Palouse at Garfield Middle School Palouse, WA 5.3
CASCADES MONTESSORI MIDDLE Bellingham, WA 5.1

Frequently Asked Questions

Common questions about Seattle School for Boys

What grades does Seattle School for Boys serve?

Seattle School for Boys serves students in grades 6th through 8th.

How many students attend Seattle School for Boys?

Seattle School for Boys has an enrollment of approximately 49 students.

What is the student-teacher ratio at Seattle School for Boys?

The student-teacher ratio at Seattle School for Boys is 9.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Seattle School for Boys rank in WA?

Seattle School for Boys is ranked #179 out of 381 private schools in WA.

What is Seattle School for Boys's MySchoolScout rating?

Seattle School for Boys has a composite rating of 6.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

Is Seattle School for Boys a private school?

Yes, Seattle School for Boys is a private all-boys school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is Seattle School for Boys a religious school?

No, Seattle School for Boys is a nonsectarian (non-religious) private school.

11 schools nearby View map →

Neighborhood Context

City Safety
High (5,803/100K)

FBI UCR 2024. City-level (Seattle). Data >1 year old.

Quick Facts NCES PSS (SY 2021-22)

Grades
6th – 8th
Enrollment
49
Gender Split
100% M / 0% F
Student-Teacher Ratio
9.8:1
Teachers (FTE)
5
Type
private
Coed Status
all-boys
Affiliation
Nonsectarian
School Day
7.5 hours
Days Per Year
260 days
Setting
Large City
County
KING
Data Year
2022–2023

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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