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The Knox School Photo #9 - At Knox, every student is inspired to go higher. Students and staff work together to build character and become responsible, global citizens. Our school community lives daily by the core values of Respect, Responsibility, Integrity, Courage, Kindness, and Scholarship, and our graduates bring these values with them after high school, ready for every challenge that lies ahead.

The Knox School

Tel: (631) 686-1600 Ext. 414
541 Long Beach Road
Saint James, NY 11780
THE KNOX SCHOOL is Long Island`s oldest established, co-educational private school. Our inclusive environment serves grades 6-12 and Post-Graduate, providing students with a broad world perspective and a wide range of skills to prepare them for the next phase of their journeys. At Knox, everyone knows your name, and each student`s potential is unlocked and maximized because of the boundless experiences a Knox education provides. We are proud of our 100% graduate acceptance rate to top four-year universities. Whether you are an aspiring engineer or entrepreneur, artist or architect, performer or physicist, a Knox education unlocks every student`s potential and prepares them for success after high school.

Quick Stats (2025)

  • Grades: 6-12, PG
  • Enrollment: 120 students
  • Yearly Tuition (ÌÇÐÄvlog¹ÙÍø Students): $60,000
  • Yearly Tuition (Day Students): $27,000
  • Acceptance rate: 75%
  • Average class size: 12 students
  • Application Deadline: Jan. 31 / Dec. 15 / rolling
  • Source: Verified school update

Top Rankings

The Knox School ranks among the top 20 boarding schools (out of 278 schools) for:

Category
Attribute
Student Test Scores

School Overview

Definition of Terms | 2024 School Data
The Knox School
ÌÇÐÄvlog¹ÙÍø School Avg.
School Focus
College Preparatory
College Preparatory
Grades Offered
6-12, PG
9-12
School Type
Co-ed
Co-ed
Religious Affiliation
Non-denominational
Year Founded
1904
1907
Campus Size
40 acres
125 acres

Student Body

Enrollment
120 students
315 students
% Students of Color
24%
27%
% International Students
40%
20%
% Students ÌÇÐÄvlog¹ÙÍø
70%
70%
Average SAT Score
1375
(Out of 1600)
* National Avg. »
Average ACT score
26
(Out of 36)
*National Avg. »
Offers Post-Grad Year
Yes
No

Academics and Faculty

Saturday Classes
No
No
Classroom Dress Code
Formal
blazer, dress shirt, and Khaki pants or plaid kilt
Casual
Average Class Size
12 students
12
* National Avg. »
Student : Teacher Ratio
6:1
7:1
# of AP / Advanced Courses Offered
35
18
ESL Courses Offered
Yes
% Faculty with Advanced Degree
90%
72%
Summer Program Offered
No
Yes

Tuition Cost

Yearly Tuition
(ÌÇÐÄvlog¹ÙÍø Students)
$60,000
$66,250
Yearly Tuition
(Day Students)
$27,000
$35,600
Tuition international students
$60,000
$57,500
Yearly Tuition
(5 Day ÌÇÐÄvlog¹ÙÍø)
$50,000
$49,300
% Students on Financial Aid
35%
40%
Avg. Financial Aid Grant
$23,000
$25,000
Merit Scholarships Offered
No

Acceptance Rate

Application Deadline
Jan. 31 / Dec. 15 / rolling
Jan. 15
Accepts
No
No
Acceptance Rate
75%
62%
Director of Admissions
Cindy Simkus

AP / Advanced Courses

# of AP / Advanced Courses Offered
35
18
Courses
AP Art & Design, AP Biology, AP Calculus AB, AP Calculus BC, AP Chemistry, AP Computer Science A, AP Computer Science Principles, AP English Language, AP English Literature, AP Environmental Science, AP Music Theory, AP Physics C: Electricity & Magnetism, AP Physics C: Mechanics, AP Physics I, AP Physics II, AP Psychology, AP Statistics, AP U.S. Government & Politics, AP U.S. History, AP World History, ART 122 Electronic Illustration, ART 141 Photography I, ART 145 Digital Photography I, ART 1570 Digital Photography, CJ 277 Criminal Law & Procedure, CRJ1020 American Jurisprudence, EGL 192 Introduction to Fiction, ENG 101 Standard Freshman Composition, ENG 102 Literature and Composition, ENG 103 Writing for Effective Communication, ENG 114 Introduction to Poetry, MAT 1150A Elementary Statistics, MAT 2210 Calculus I, MAT 2220 Calculus II, MAT 2320 Linear Algebra

Sports

# Interscholastic Sports Offered
8
16

Extracurriculars

Total Extracurricular Organizations
26
23
Extracurriculars
Club or Organization:
Amnesty International Club, Art Honor Society, Business Club, DECA, English Honor Society, Fitness Club, GSA, History Honor Society, Math Honor Society, Model UN, National Honor Society, Publications Club, Science Honor Society, Science Olympiad, Service Learning, Spirit Squad, STEM Club, Student Council, Tri-M Music Honor Society, Yearbook

Arts and Music Programs:
Choir, Dance, Fall Play, Spring Musical

Recreational Athletic Programs:
Pickle Ball Club, Strength and Conditioning

College Matriculation

Year:
10 Most Popular College Choices  (# Enrolled)

School Notes

  • AT KNOX, EVERYONE KNOWS YOUR NAME... As an intentionally small community, there is no student "in the back seat" at Knox. Our administrators and teachers view each student as unique and special and put time and care into knowing every student by name, which allows us to deliver the best educational experience possible. 
  • EVERY STUDENT`S POTENTIAL IS UNLOCKED & MAXIMIZED... Knox educators go beyond teaching our students the content of textbooks; we teach them critical thinking, inquiry, collaboration, and research and presentation skills.100% of our seniors graduate, attend their dream universities and earn millions of dollars in scholarships each year.
  • EVERY STUDENT IS INSPIRED TO GO HIGHER... Daily life at Knox allows for a balance of academics, athletics, and the arts, along with extracurricular activities and robust student life programming. Students and staff live the six core values - Respect, Responsibility, Integrity, Courage, Kindness, and Scholarship - as part of their dedication to the continual development of the whole person.
  • BOUNDLESS EXPERIENCES ARE WAITING FOR YOU... Knox is known as the school where students try new things they never thought possible. Students can be athletes and actors, engineers and equestrians, writers and rowers, designers and performers - all in a supportive and nurturing environment. At Knox, opportunities are simply unlimited.
  • The Knox School accreditations: New York State Association of Independent Schools (NYSAIS), Middle States Association of Colleges and Schools
  • Sample of notable school alumni/alumnae:
    • Millie Chan - Product Designer, Business Owner and CEO
    • Dr. Matthew Rosen - Physicist
    • Miles Chamley-Watson - U.S. Olympian in Fencing (2012, 2016); 3-time First Team All-American
    • Dr. Benjamin Cilento - Plastic & Reconstructed Surgeon
    • Michael Schenker - Television Producer
    • Phebe T. Phillips Byrne - Equestrian; winner National Horse of the Year 1990
    • Tim Eriksen - Ethnomusicologist, Singer, Songwriter
    • Lisa Gay Hamilton - Broadway, Film & TV Actor
    • Chris Strompolos - Film Producer
    • Jim Liu - US Junior Golf Champion 2010
Source: Verified school update

Frequently Asked Questions

How much does The Knox School cost?
The Knox School's tuition is approximately $60,000 for boarding students and $27,000 for day students.
What is the acceptance rate of The Knox School?
The acceptance rate of The Knox School is 75%, which is higher than the boarding school average of 62%.
Who are famous alumni from The Knox School?
The Knox School famous alumni include: Millie Chan, Dr. Matthew Rosen, Miles Chamley-Watson, Dr. Benjamin Cilento, Michael Schenker, Phebe T. Phillips Byrne, Tim Eriksen, Lisa Gay Hamilton, Chris Strompolos and Jim Liu.
What sports does The Knox School offer?
The Knox School offers 8 interscholastic sports: Badminton, Basketball, Crew, Equestrian, Riding, Soccer, Tennis and Volleyball.
What is The Knox School's ranking?
The Knox School ranks among the top 20 boarding schools for High percent faculty with advanced degrees, High # of AP/advanced courses offered and High average SAT scores.
When is the application deadline for The Knox School?
The application deadline for The Knox School is Jan. 31 / Dec. 15 / rolling (applications are due on Jan. 31 / Dec. 15 but additional applications are reviewed year-round as space permits ).

Alumni Reviews Review School

Review
Description

Class of 2023
5.00
Stony Brook
The sizes of classes are quite small, which I think is unique because it allows for more concentrated lessons and more one one-on-one teaching. The smallest class I've been to only had three other students. . .

Class of 2003
5.00
Fordham University
There is an amazing family atmosphere at Knox that is unlike any other school I attended. I highly recommend the school for any parent looking for a boarding school because your child will be cared. . .
Submit Review for The Knox School
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Quick Stats (2025)

  • Grades: 6-12, PG
  • Enrollment: 120 students
  • Yearly Tuition (ÌÇÐÄvlog¹ÙÍø Students): $60,000
  • Yearly Tuition (Day Students): $27,000
  • Acceptance rate: 75%
  • Average class size: 12 students
  • Application Deadline: Jan. 31 / Dec. 15 / rolling
  • Source: Verified school update

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