BASIS Independent School of Bellevue (Top Ranked Private School for 2026-27)

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Quick Facts (2026-27)

Top Ranked WA School
Grades: Kindergarten-12
Enrollment: 331 students
Yearly Tuition: $38,500
Average class size: 20 students
Application Deadline: Jan. 15 / rolling
Source: ✓Verified school update

Upcoming Events

Virtual Event - Wed., September 16, 2026 6:00am (PDT) - get more information!

School Rankings

BASIS Independent School of Bellevue ranks among the top 20% of private schools in Washington for:

School Facts

Grades Offered

Grades Kindergarten-12

Students By Grade

View Data

Distribution of Students By Grade
Grade	BASIS Independent School of Bellevue
3	52
4	26
5	52
6	52
7	53
8	50
9	24
10	22

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Year Founded

2022

Summer School Offered

Yes

Summer Program Details

View Summer Program Details

School Calendar

View School Calendar

Last Day of School

Thu. Jun 17, 2027

Student Body

Total Students

331 students

Student Body Type

Co-ed

% Students of Color

97%

State avg.: 32%

Academic Profile

Total Classroom Teachers

48 teachers

Student-Teacher Ratio

7:1

National avg.: 11:1

Average Class Size

20 students

Average SAT score

1514

(Out of 1600)

Average ACT score

(Out of 36)

Matriculation DataMatric. Data

View Matriculation Data

Classroom Dress Code

Casual

Number of AP Courses

19 courses

List of Courses Offered

Link to List of Courses

Advanced Courses

AP 2-D Art and DesignAP Biology

AP Business with Personal FinanceAP Calculus AB

AP Calculus BCAP Chemistry

AP Chinese Language & CultureAP Computer Science

AP EnglishAP French

AP LatinAP Physics

AP PsychologyAP Research

AP SpanishAP US Government

AP US HistoryAP World History

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School Membership(s)School Assoc.

Western Association of Schools and Colleges (Accrediting Commission for Schools) (ACS WASC)

Tuition & Financial Aid

Admission Deadline

Jan. 15 / rolling

Yearly Tuition Cost

$38,500

View national tuition avg.

Tuition Notes

Tuition varies based on grade level. Families may pay tuition in three ways 1) one payment, 2) two payments, or 3) ten monthly payments

Application URL

Online Application

Sports

Total Sports Offered

8 sports

Sports

BadmintonBasketball

DanceSoccer

SwimmingTennis

Track and FieldVolleyball

School Mascot

Mountaineers

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

30 extracurriculars

ExtracurricularsExtra-curric.

Club or Organization:

Badminton ClubBoard Game Club

Book ClubChess Club

Coding ClubCommunity Service

Dance ClubHealth Occupation Students of America

Lego ClubMandarin Club

Math ClubPokemon Club

Robotics ClubRock Guitar Club

Science BowlScience Club

Science OlympiadSpeech and Debate

Spike Ball ClubStorytelling Club

World Travel CubYearbook

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Arts and Music Programs:

Arts ClubBand

Drum LineOrchestra

theater

Recreational Athletic Programs:

Dodgeball ClubJuggling Club

Volleyball Club

School Notes

At BASIS Independent Bellevue, a Kindergarten-Grade 12 private school, we believe students are capable of more than they can imagine.
Our advanced academic program builds deep knowledge and mastery while fostering curiosity, creativity, and intellectual confidence.
With expert teachers and a warm, collaborative community, students are inspired to ask questions, embrace challenges, and take ownership of their learning. Beyond the classroom, they explore their passions through the arts, athletics, leadership, and research.
The result is a community that empowers students to become fearless thinkers, prepared to explore, question, and shape the world.
Come see what's possible. Schedule a tour of BASIS Independent Bellevue and experience our community firsthand.

At BASIS Independent Bellevue, we believe students are capable of more than they can imagine, and that the most powerful education inspires them to think for themselves.With expert teachers, a thoughtfully designed curriculum in a warm, welcoming culture, students grow into fearless and confident thinkers prepared to explore, question, and contribute with purpose.

Source: Verified school update

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Frequently Asked Questions

How much does BASIS Independent School of Bellevue cost?

BASIS Independent School of Bellevue's tuition is approximately $38,500 for private students.

Does BASIS Independent School of Bellevue offer a summer program?

Yes, BASIS Independent School of Bellevue offers a summer program. Visit their summer school page for more information.

What sports does BASIS Independent School of Bellevue offer?

BASIS Independent School of Bellevue offers 8 interscholastic sports: Badminton, Basketball, Dance, Soccer, Swimming, Tennis, Track and Field and Volleyball. BASIS Independent School of Bellevue is ranked as one of the top 20% of private schools in Washington for most sports offered.

What is BASIS Independent School of Bellevue's ranking?

BASIS Independent School of Bellevue ranks among the top 20% of private schools in Washington for: Highest average SAT score, Highest average ACT score, Highest percentage of students of color, Largest student body, Most AP courses offered, Most sports offered and Most extracurriculars offered.

When is the application deadline for BASIS Independent School of Bellevue?

The application deadline for BASIS Independent School of Bellevue is Jan. 15 / rolling (applications are due on Jan. 15 but additional applications are reviewed year-round as space permits ).

In what neighborhood is BASIS Independent School of Bellevue located?

BASIS Independent School of Bellevue is located in the West Lake Sammamish neighborhood of Bellevue, WA. There are 1 other private schools located in West Lake Sammamish.

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Did You Know?

The average private school tuition in Bellevue, WA is $24,520 for elementary schools and $29,869 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Bellevue, WA is 81% (read more about average acceptance rates across the country).