Washington State is renowned for its stunning natural landscapes, innovative education system, and diverse communities. For families looking for the best academic and personal development opportunities, boarding schools in Washington offer a blend of academic rigor, leadership training, and holistic education. Whether your child excels in arts, science, or athletics, these institutions provide the perfect environment for growth and success.

In this guide, we explore the top boarding schools in Washington State, their unique features, and estimated tuition fees to help parents make the right choice.

Top Boarding Schools In Washington State And Fees

1. The Northwest School – Seattle, WA

Location: Seattle, Washington
Estimated Annual Tuition: $68,000 – $71,000 (boarding)

Located in the heart of Seattle, The Northwest School is one of the most prestigious boarding schools in Washington State. It offers an internationally recognized college preparatory curriculum that emphasizes critical thinking, creativity, and global citizenship. Founded in 1980, the school is home to students from over 60 countries, creating a vibrant multicultural environment.

The academic structure includes strong programs in the humanities, sciences, mathematics, and arts. The Northwest School stands out for integrating environmental education and sustainability into its daily curriculum — a reflection of Seattle’s forward-thinking culture. The school also features modern dormitories, a rooftop sports court, and dedicated art studios.

Beyond academics, students participate in athletics, performing arts, and social justice initiatives, ensuring a well-rounded education. The tight-knit community and small class sizes foster personalized attention, preparing students for top universities worldwide.

2. Annie Wright Schools – Tacoma, WA

Location: Tacoma, Washington
Estimated Annual Tuition: $69,000 – $73,000 (boarding)

Founded in 1884, Annie Wright Schools is among the oldest and most respected boarding schools in the Pacific Northwest. The institution is divided into two main divisions: Annie Wright Upper School for Girls and Annie Wright Upper School for Boys. Both offer the International Baccalaureate (IB) Diploma Programme, one of the most challenging and respected academic programs globally.

The school combines rigorous academics with strong community values. Students benefit from small classes, individualized attention, and a diverse range of extracurriculars such as robotics, athletics, and performing arts. The campus, nestled near Commencement Bay, offers scenic views, modern dormitories, and cutting-edge facilities.

What sets Annie Wright apart is its emphasis on character development and leadership. Students are encouraged to pursue community service and global awareness projects. With a 100% college acceptance rate, graduates are well-prepared for prestigious universities in the U.S. and abroad.

3. Forest Ridge School of the Sacred Heart – Bellevue, WA

Location: Bellevue, Washington
Estimated Annual Tuition: $68,000 – $72,000 (boarding)

Forest Ridge School of the Sacred Heart is a Catholic, all-girls boarding and day school known for academic excellence and character-based education. Founded in 1907, it belongs to the global network of Sacred Heart Schools, which emphasizes faith, intellect, and social awareness.

The school’s college-preparatory curriculum integrates STEM learning, arts, and leadership programs. Forest Ridge stands out for its focus on empowering young women to become compassionate leaders in a rapidly changing world. Boarding students enjoy a safe, inclusive community with full access to academic support and extracurricular programs.

Beyond the classroom, students engage in volunteerism, outdoor education, and athletics. With small class sizes and experienced faculty, Forest Ridge creates an environment where every student is known and supported. Graduates consistently matriculate to top-tier universities like Stanford, Yale, and the University of Washington.

4. Saint Martin’s School – Lacey, WA

Location: Lacey, Washington
Estimated Annual Tuition: $55,000 – $60,000 (boarding)

Located on the beautiful campus of Saint Martin’s University, Saint Martin’s School offers a strong academic foundation with a focus on moral values and leadership. It provides a coeducational boarding experience that emphasizes personal responsibility and service.

The school’s curriculum is designed to prepare students for success in college and beyond, offering honors and Advanced Placement (AP) courses across multiple subjects. Students also enjoy a wide array of extracurricular opportunities including sports, debate, robotics, and performing arts.

Boarding students benefit from a structured residential life program with dedicated mentors and academic advisors. The school’s connection to Saint Martin’s University allows advanced students to take college-level courses, giving them a head start in higher education.

With its balanced approach to academics and ethics, Saint Martin’s School stands out as one of the most affordable yet high-quality boarding options in Washington State.

5. Spring Street International School – Friday Harbor, WA

Location: San Juan Island, Washington
Estimated Annual Tuition: $65,000 – $68,000 (boarding)

Set on the picturesque San Juan Island, Spring Street International School is a small, independent boarding and day school with a global perspective. It emphasizes experiential learning, outdoor education, and community engagement — blending academics with real-world exploration.

Students participate in marine biology research, hiking, kayaking, and international travel programs. The school’s close-knit community ensures that every student receives individualized attention and emotional support. Academic offerings include rigorous college-preparatory courses, honors classes, and arts programs.

Spring Street’s focus on sustainability and environmental awareness makes it an ideal choice for families seeking a progressive and eco-conscious education. With an average class size of 12 students, it cultivates creativity, critical thinking, and confidence. Graduates go on to attend top universities worldwide.

6. The Bush School – Seattle, WA

Location: Seattle, Washington
Estimated Annual Tuition: $70,000 – $74,000 (boarding; limited)

The Bush School is Seattle’s oldest independent school, founded in 1924, and is known for its progressive approach to education. While primarily a day school, it offers a selective boarding program for upper-grade students seeking an immersive learning experience.

The Bush School focuses on experiential learning, encouraging students to apply classroom knowledge to real-world situations. With a curriculum that blends academics, arts, and outdoor exploration, it develops independent thinkers and problem-solvers.

The school offers AP and honors courses, extensive arts programs, and partnerships with local organizations in technology and environmental science. Boarding students live in modern dormitories located near the vibrant city of Seattle, providing both urban and academic exposure.

Bush graduates are known for their intellectual curiosity and civic engagement, often gaining admission to Ivy League and top liberal arts colleges.

7. Kennedy Catholic High School – Burien, WA

Location: Burien, Washington
Estimated Annual Tuition: $52,000 – $58,000 (boarding)

Kennedy Catholic High School is a coeducational, faith-based institution with a strong college preparatory program. It offers a boarding option for international and domestic students who desire a structured, supportive academic environment.

The curriculum includes AP classes, advanced science labs, and a focus on global citizenship. Students participate in athletic programs, performing arts, and community service projects that reinforce the school’s values of faith, leadership, and excellence.

Kennedy Catholic provides personalized college counseling, ensuring students are prepared for top university admissions. Its location near Seattle gives students access to cultural and internship opportunities while living in a safe suburban setting.

With its balance of academics, moral guidance, and affordability, Kennedy Catholic remains a top boarding school choice for families seeking a nurturing yet challenging environment.

8. Master’s Ranch – Spokane, WA

Location: Spokane, Washington
Estimated Annual Tuition: $45,000 – $50,000 (boarding)

Master’s Ranch is a Christian-based boarding school designed for boys in middle and high school. It focuses on character building, discipline, and academic achievement through structured routines and faith-centered education.

The program combines standard academic coursework with hands-on learning experiences such as agriculture, technology, and leadership training. Students live in supervised dormitories that promote teamwork, accountability, and mutual respect.

The school’s holistic approach includes spiritual development, counseling, and mentorship. Its small class sizes allow for individualized academic and emotional support. While more affordable than many other private institutions, Master’s Ranch provides a transformative environment for students seeking academic improvement and personal growth.

9. Three Rivers Christian School – Longview, WA

Location: Longview, Washington
Estimated Annual Tuition: $50,000 – $55,000 (boarding)

Three Rivers Christian School is a faith-based institution known for blending strong academics with Christian values. It provides both day and boarding options, serving students from across the U.S. and overseas.

Academically, the school offers a college-preparatory curriculum, AP courses, and electives in arts, technology, and music. Boarding students enjoy a close-knit environment with full-time supervision, academic support, and extracurricular activities such as athletics and student leadership programs.

Three Rivers Christian is particularly popular among families who want affordable tuition without compromising educational quality. The school places a strong emphasis on moral development and community service, helping students become compassionate, responsible adults ready for the challenges of college life.

10. Upper Columbia Academy – Spangle, WA

Location: Spangle, Washington
Estimated Annual Tuition: $47,000 – $52,000 (boarding)

Upper Columbia Academy is a Seventh-day Adventist coeducational boarding school offering a blend of academics, faith, and service. With a student-centered approach, the school prepares learners for higher education while instilling lifelong values of integrity, responsibility, and service.

The campus includes state-of-the-art science labs, athletic fields, and comfortable dormitories. Students engage in a wide range of extracurriculars such as choir, robotics, athletics, and mission trips.

The curriculum focuses on STEM education, liberal arts, and spiritual development. Faculty members encourage critical thinking and hands-on learning, ensuring students are well-prepared for college and beyond. The school’s moderate tuition, supportive staff, and serene campus make it one of Washington’s most respected boarding institutions.

Why Choose a Boarding School in Washington State?

Washington’s boarding schools offer a distinctive mix of academic innovation, outdoor adventure, and cultural diversity. Many schools integrate sustainability and global education into their curriculum, reflecting the state’s values of progressiveness and environmental awareness.

Choosing a boarding school in Washington means your child will experience a balanced lifestyle — world-class academics alongside nature-rich exploration and personal growth opportunities.

How Much Does Boarding School Cost in Washington State?

The average annual boarding school tuition in Washington ranges from $45,000 to $75,000 depending on the school, grade level, and boarding amenities.

Premium institutions like Annie Wright and The Northwest School: $68,000–$73,000
Mid-range options such as Saint Martin’s and Spring Street: $55,000–$68,000
More affordable schools like Master’s Ranch and Upper Columbia Academy: $45,000–$52,000

Many schools offer financial aid, scholarships, and need-based assistance, making it possible for qualified students to attend regardless of family income.

Conclusion

From the innovative learning spaces of Seattle to the peaceful campuses of San Juan Island and Spokane, Washington State’s boarding schools are among the finest in the nation. They prepare students not just for college, but for leadership and service in a global society.

Whether you seek an IB program, faith-based education, or a school that nurtures creativity and critical thinking, there’s a boarding school in Washington that fits your child’s unique aspirations.

Top 10 Boarding Schools In Washington State And Fees (2026)