Seattle Girls' School (2026-27 Profile)

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Quick Facts (2026-27)

Grades: 5-8
Enrollment: 120 students
Yearly Tuition: $37,960
Average class size: 17 students
Application Deadline: Jan. 16 / rolling
Source: ✓Verified school update

School Rankings

Seattle Girls' School ranks among the top 20% of private schools in Washington for:

School Facts

School Membership(s)School Assoc.

National Coalition of Girls
National Association of Independent Schools (NAIS)

Religious Affiliation

Nonsectarian

Grades Offered

Grades 5-8

Students By Grade

View Data

Distribution of Students By Grade
Grade	Seattle Girls' School
5	18
6	28
7	40
8	34

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Learning Difference Programs

Yes

Learning Programs Supported

Dyslexia / Language-based or Mild Learning Differences

Year Founded

2000

Student Body

Total Students

120 students

Student Body Type

All-girls

% Students of Color

50%

State avg.: 32%

Academics & Faculty

Total Classroom Teachers

13 teachers

Student-Teacher Ratio

9:1

National avg.: 11:1

% Faculty w/Advanced Degree

77%

Average Class Size

17 students

Classroom Dress Code

Casual

Tuition & Acceptance Rate

Admission Deadline

Jan. 16 / rolling

Yearly Tuition Cost

$37,960

View national tuition avg.

% on Financial Aid

28%

Admissions Director

Asha Sundae Dean

Application URL

Online Application

Sports

Total Sports Offered

9 sports

Sports

Alpine SkiingBasketball

Cross CountryGolf

SnowboardingSoccer

Track and FieldUltimate Frisbee

Volleyball

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

9 extracurriculars

ExtracurricularsExtra-curric.

Test Prep

Club or Organization:

Affinity & Alliance GroupsComputer Science Club

Math ClubStudent Ambassadors

Student CouncilStudent Interest Groups

Yearbook

Arts and Music Programs:

Choir

School Notes

Our Mission is to inspire and develop courageous leaders who think independently, work collaboratively, learn joyfully, and champion change.
Our Passion is empowering each girl to live her potential.
Our Beliefs: Empowering a girl changes the world.
It is fundamental to understand and address issues of difference and oppression.
An integrated, collaborative curriculum challenges and engages students.
Middle school should be joyful, curiosity-filled, and safe and open to all voices.

School Mascot: Tenacity

Middle school is a critical time for development especially for girls. As girls reach early adolescence, their self-esteem and interest in certain subjects is likely to plummet as a result of being bombarded by conflicting messages about femininity and achievement. Seattle Girls` School combats the trend of girls losing confidence before competence, especially in the areas of science, technology, engineering, and math, with a transformative experience for girls in grades 5-8. At SGS, girls are challenged to discover who they are and who they want to become. Our project-based curriculum, grounded in real-world experiences, offers endless opportunities for leadership, collaboration, and problem solving. We invite you to witness what countless visitors to our campus experience: poised, confident, and actively engaged students. Our alumnae, when reflecting on their educational experience as a whole, often attribute who they become and what they achieve to the transformative experiences they had at SGS their middle school!

Source: Verified school update

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Frequently Asked Questions

How much does Seattle Girls' School cost?

Seattle Girls' School's tuition is approximately $37,960 for private students.

What schools are Seattle Girls' School often compared to?

Seattle Girls' School is often viewed alongside schools like Lake Washington Girls Middle School by visitors of our site.

What sports does Seattle Girls' School offer?

Seattle Girls' School offers 9 interscholastic sports: Alpine Skiing, Basketball, Cross Country, Golf, Snowboarding, Soccer, Track and Field, Ultimate Frisbee and Volleyball. Seattle Girls' School is ranked as one of the top 20% of private schools in Washington for most sports offered.

When is the application deadline for Seattle Girls' School?

The application deadline for Seattle Girls' School is Jan. 16 / rolling (applications are due on Jan. 16 but additional applications are reviewed year-round as space permits ).

In what neighborhood is Seattle Girls' School located?

Seattle Girls' School is located in the Central District neighborhood of Seattle, WA. There are 3 other private schools located in Central District.

School Calendar

View the Seattle Girls' School yearly calendar below. Note key dates such as:

Event

Date

No School - Fall Break

November 23, 2026 (Monday)

No School - Spring Break

April 12, 2027 (Monday)

Last Day of School - Noon Dismissal

June 11, 2027 (Friday)

School Reviews

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Quality of academic programs, teachers, and facilities
Availability of music, art, sports and other extracurricular activities
Academic or athletic awards

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Did You Know?

The average private school tuition in Seattle, WA is $22,298 for elementary schools and $24,673 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Seattle, WA is 69% (read more about average acceptance rates across the country).