Excelsior School (Top Ranked Private School for 2026-27)

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Quick Facts (2026-27)

Top Ranked CA School
Grades: 9-12
Enrollment: 81 students
Yearly Tuition: $14,500
Acceptance rate: 70%
Average class size: 18 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Rankings

Excelsior School ranks among the top 20% of private schools in California for:

School Facts

School Membership(s)School Assoc.

Western Association of Schools and Colleges (WASC)

Religious Affiliation

Nonsectarian

Grades Offered

Grades 9-12

Students By Grade

View Data

Distribution of Students By Grade
Grade	Excelsior School
9	10
10	26
11	25
12	20

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Offers Post-Graduate Year

Yes

Year Founded

1986

Summer School Offered

Yes

Summer Program Details

View Summer Program Details

School Calendar

View School Calendar

Student Body

Total Students

81 students

Student Body Type

Co-ed

% Students of Color

99%

State avg.: 52%

Academics & Faculty

Total Classroom Teachers

8 teachers

Student-Teacher Ratio

10:1

National avg.: 11:1

% Faculty w/Advanced Degree

100%

Average Class Size

18 students

Number of AP Courses

12 courses

Advanced Courses

AP BiologyAP Calculus

AP ChemistryAP English

AP European HistoryAP Government and Politics

AP Human GeographyAP Music Theory

AP PhysicsAP Statistic

AP US HistoryAP World History

Average SAT score

1350

(Out of 1600)

Classroom Dress Code

Formal

Tuition & Acceptance Rate

Admission Deadline

None / Rolling

Yearly Tuition Cost

$14,500

View national tuition avg.

Acceptance Rate

70%

National avg.: 82%

Admissions Director

Timothy Lee

Application URL

Online Application

Sports

Total Sports Offered

4 sports

Sports

BadmintonBasketball

Cross CountrySoccer

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

8 extracurriculars

ExtracurricularsExtra-curric.

Club or Organization:

BasketballChoir

DramaKey Club

Model UNNewspaper

SpeechYearbook

School Notes

Excelsior School is a small, independent high school that offers a rigorous, college-preparatory education, and our school has established an excellent track record of graduates matriculating at distinguished colleges and universities.
Our program is designed to develop an awareness of their potential.
Commitment to community service and individual responsibility are also strongly emphasized. An in-depth, enriched curriculum, close faculty-student relations, diverse activities, and a variety of special programs and traditions support these goals.

Excelsior School is a small, independent high school that offers a rigorous, college-preparatory education, and our school has established an excellent track record of graduates matriculating at distinguished colleges and universities. Our program is designed to develop an awareness of their potential. Commitment to community service and individual responsibility are also strongly emphasized. An in-depth, enriched curriculum, close faculty-student relations, diverse activities, and a variety of special programs and traditions support these goals.

Sample of notable school alumni/alumnae:
- PhiKhanh Nguyen, Class of 2014 -
- Sarah Yang, Class of 2017 -
- Cherry Ngo, Class of 2016 -

Source: Verified school update

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Frequently Asked Questions

How much does Excelsior School cost?

Excelsior School's tuition is approximately $14,500 for private students.

What is the acceptance rate of Excelsior School?

The acceptance rate of Excelsior School is 70%, which is lower than the national average of 80%. Excelsior School's acceptance rate is ranked among the top private schools in California with low acceptance rates.

Who are famous alumni from Excelsior School?

Excelsior School famous alumni include: PhiKhanh Nguyen, Class of 2014, Sarah Yang, Class of 2017 and Cherry Ngo, Class of 2016.

Does Excelsior School offer a summer program?

Yes, Excelsior School offers a summer program. Visit their summer school page for more information.

What sports does Excelsior School offer?

Excelsior School offers 4 interscholastic sports: Badminton, Basketball, Cross Country and Soccer.

What is Excelsior School's ranking?

Excelsior School ranks among the top 20% of private schools in California for: Lowest average acceptance rates, Highest percentage of students of color and Highest percentage of faculty with advanced degrees.

When is the application deadline for Excelsior School?

The application deadline for Excelsior School is rolling (applications are reviewed as they are received year-round).

School Reviews

5.00 out of 5 (2 reviews)

5 8/28/2021

Overall, I feel very prepared for my secondary education. The culture is unique at Excelsior School. The school curriculum and general rigor of instruction does prepare the students for highly selective colleges and universities. I have really enjoyed my time at Marlborough. The classes are small and provide individual attention when needed.

- Posted by Student/Alumni - Chris Wang

5 6/12/2017

The teachers are very helpful. They are very patient. I learned a lot at Excelsior. I lived in school for two years. The dormitory is roomy, comfortable and clean. The camp is so beautiful. School counselors guided every student step by step for college application. I got accepted by many top universities.

- Posted by Student/Alumni - Yvonne Chen

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Availability of music, art, sports and other extracurricular activities
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Did You Know?

The average private school tuition in Arcadia, CA is $23,167 for elementary schools (read more about average private school tuition across the country).

The average acceptance rate in Arcadia, CA is 66% (read more about average acceptance rates across the country).