Seattle Girls' School

What Seattle Girls' School does

Seattle Girls' School (SGS) is a private, independent 501c(3) nonprofit middle school located at 1700 24th Ave S in Seattle's Central District, serving girls and gender-expansive students in grades 5-8. The school operates a single-campus, mission-driven educational program that combines rigorous academics (Humanities, Math, Science & Tech, Spanish, English Language Arts, Social Studies) with signature co-curricular programming including a school-wide 1:1 laptop program, no-cut athletics, performing and media arts, music, visual arts, advisory, and affinity groups. Signature pedagogical features include two-week Intensives (Mock Trial, Filmmaking Challenges, STEAM-focused Illuminations), culminating 8th-grade productions, and a curriculum integrating social-justice and anti-bias education with STEAM instruction.

The school's primary revenue stream is annual tuition set at $39,950 per student for the 2025-2026 academic year, supplemented by an Annual Fundraising Luncheon that raised over $430,000 from 400+ guests in 2026, summer camps (Volleyball $225, STEAM $475) that open to non-enrolled community members, athletics and activity fees, and ongoing donor support. The institution is governed by a Board of Trustees (chaired by Tonya Peck) with Brenda Leaks serving as Head of School, and the management team includes a Dean of Faculty and Students, Director of Athletics, Director of Enrollment Management, and Director of Operations. Need-based tuition assistance covers 31% of enrolled families, the student body is 50% students of color drawn from 29 Seattle zip codes, and an active alumni network of 685+ graduates supports both admissions referrals and sustained fundraising.

SGS markets primarily through community-led and event-driven GTM motions — open houses, virtual coffee chats, campus tours, the Ravenna admissions platform, and family/alumni referrals — supported by an owned website, social channels (Facebook, Instagram, YouTube, LinkedIn, Twitter), and an email newsletter. The school operates strictly within the Seattle metropolitan area with no disclosed plans for geographic expansion, and its outward-facing offerings are limited to summer camps and a professional-development arm (Affinity Group Facilitator Institute, Cultural Competency Lab for Teachers) that monetizes its pedagogy for external educators.

Name

Seattle Girls' School

Legal name

Seattle Girls' School

Website

https://seattlegirlsschool.org

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Seattle Girls' School is a private, nonprofit 501c(3) independent middle school in Seattle serving girls and gender-expansive students in grades 5-8, charging $39,950 annual tuition and generating supplemental revenue from summer camps, athletics fees, and an Annual Luncheon that raised over $430,000 in 2026.

Ownership category

akta.pro rank

Product category

Independent Middle School Education

NAICS

Elementary and Secondary Schools (6111), Elementary and Secondary Schools (611110)

SIC

Services-Educational Services (8200)

akta.pro primary industry

Single-Sex (Boys/Girls) Private Schools (EDAJABAK)

Keywords

• Independent middle school
• Girls education
• STEAM curriculum
• Private school tuition
• Middle school programs

Headquarters

HQ city

Seattle

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D, Others

Revenue model

1. Tuition: Primary revenue stream from tuition payments. Tuition for 2025-2026 is $39,950 per student annually. Payment plans allow families to spread tuition over the year.
2. Annual Fundraising Luncheon: Annual Luncheon fundraiser generates over $430,000 for tuition assistance. The 24th Annual Luncheon in May 2026 raised this amount from over 400 guests.
3. Summer Programs: Summer camps including volleyball ($225) and STEAM camp ($475) generate additional revenue while providing year-round learning opportunities.
4. Athletics Fees: After school athletics charge fees not covered by tuition. Additional fees for Snow Bus transportation.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

Seattle Girls' School is an independent middle school (grades 5-8) for girls and gender-expansive students in Seattle, WA. The school delivers a tuition-based academic program integrating Humanities, Math, Science & Tech, Spanish, English Language Arts, and Social Studies with co-curricular programming in athletics, performing arts, music, and visual arts. Annual tuition for 2025-2026 is $39,950 per student, with need-based tuition assistance available to 31% of families.

Product overview

Seattle Girls' School offers a unified educational program for girls and gender-expansive students in grades 5-8, combining rigorous academics (Humanities, Math, Science & Tech, Spanish, English Language Arts) with extensive co-curricular programming including a 1:1 Laptop Program, Athletics, Arts (Visual, Performing & Media, Music), Advisory, Affinity Groups, and After-School Clubs. The school also operates a Summer Camps program and offers specialized two-week Intensives. All programs are designed to develop courageous, independent, collaborative leaders.

Differentiator

Problem solved

Functional benefit

Products and services

• Middle School Academic Program (Grades 5-8) The core tuition-based academic program for girls and gender-expansive students in grades 5-8, providing a comprehensive independent school education with integrated social justice curriculum, STEAM focus, leadership development, and college preparatory readiness. Annual tuition is $39,950 for 2025-2026.
• Summer Camps (Volleyball and STEAM) Year-round learning summer programs open to girls and gender-expansive students entering grades 3-8 from the broader community. Volleyball Camp provides sports instruction while STEAM Camp delivers enrichment in science, technology, engineering, arts, and math. Camps serve as a pipeline to prospective SGS families.
• Professional Development Workshops for Educators Professional development offerings including the Cultural Competency Lab for Teachers and the Affinity Group Facilitator Institute, designed for educators seeking training in cultural competency, anti-bias education, and affinity group facilitation. Available to teachers and community organizations beyond the SGS student body.

Quantifiable outcome

• 31% of families receive tuition assistance, making SGS accessible to diverse socioeconomic backgrounds
• +2 more outcomes

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators6 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Madeira School: Independent girls' school in McLean, VA serving grades 9-12 with a mission-driven, leadership-focused curriculum. Comparable to SGS as a single-sex independent school with strong college preparatory and experiential programming, though at the high school level rather than middle school.
• Nightingale-Bamford School: Independent girls' school in New York City serving grades K-12. Comparable to SGS through its single-sex model, urban location, strong academic reputation, and commitment to leadership development for girls.
• Marymount School: Independent girls' school in New York City serving grades K-12 with a global curriculum focus. Comparable to SGS as a single-sex urban independent school with strong college preparatory outcomes.
• Garrison Forest School: Independent girls' school in the Baltimore area offering K-12 programming with strong STEAM and leadership development focus. Comparable to SGS through its single-sex model, mission-centered approach, and integrated STEAM curriculum.
• Emma Willard School: Historic independent girls' boarding school in Troy, NY serving grades 9-12. Comparable to SGS as a mission-driven single-sex institution focused on developing courageous female leaders, with similarly strong alumni network engagement.
• Spence School: Independent girls' school in New York City serving grades K-12 with rigorous academics and progressive educational philosophy. Directly comparable to SGS in its single-sex model, urban location, and emphasis on developing confident female leaders.
• Bryn Mawr School: Independent girls' school in Baltimore serving grades K-12 with a focus on intellectual challenge and social responsibility. Comparable to SGS in single-sex independent model, mission-driven curriculum, and tuition-assistance-supported accessibility.
• Archer School for Girls: Independent girls' school in Los Angeles serving grades 6-12, founded with a mission of empowering girls. Closely comparable to SGS in single-sex model, grade range starting at middle school, and explicit mission of developing courageous female leaders.

Broad incumbents

• The Bush School: Independent co-ed K-12 school in Seattle with progressive mission and strong reputation. Competes with SGS for Seattle families seeking mission-driven independent education, but serves a broader grade range and is co-ed.
• Lakeside School: Highly regarded independent co-ed school in Seattle serving grades 5-12. Directly competes with SGS in the Seattle private school market for middle school families, though co-ed rather than single-sex and serving a broader grade range.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/seattlegirlsedu
• YouTubeyoutube.com/channel/UCADU4tyYFya7lsO_gp17itQ
• Facebookfacebook.com/SeattleGirlsSchool
• LinkedInlinkedin.com/company/seattle-girls'-school
• Instagraminstagram.com/seattlegirlsschool

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Seattle Girls' School