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 Facts (2026)
- Grades: 6-12, PG
- Enrollment: 120 students
- Yearly Tuition (Boarding 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 10 schools with < 200 students (out of 97 schools) for:
Category
Attribute
Offering Breadth
Offering Breadth
Student Test Scores
School Overview
School Focus
College Preparatory
College Preparatory
School Type
Co-ed
Co-ed
Year Founded
1904
1909
Campus Size
40 acres
125 acres
Student Body
Enrollment
120 students
300 students
% Students of Color
24%
25%
% International Students
40%
20%
% Students Boarding
70%
70%
Offers Post-Grad Year
Yes
No
Academics and Faculty
Saturday Classes
No
No
Student-Teacher Ratio
6:1
7:1
# of AP / Advanced Courses Offered
35
17
% Faculty with Advanced Degree
90%
70%
Summer Program Offered
No
Yes
Tuition Cost
Yearly Tuition
(Boarding Students)
(Boarding Students)
$60,000
$59,900
Yearly Tuition
(Day Students)
(Day Students)
$27,000
$33,500
Tuition international students
$60,000
$53,975
Yearly Tuition
(5 Day Boarding)
(5 Day Boarding)
$50,000
$44,000
% Students on Financial Aid
35%
40%
Avg. Financial Aid Grant
$23,000
$25,000
Admissions
Application Deadline
Jan. 31 / Dec. 15 / rolling
Jan. 15
Acceptance Rate
75%
58%
Director of Admissions
Cindy Simkus
Application URL
AP / Advanced Courses
# of AP / Advanced Courses Offered
35
17
Courses
AP BiologyAP Calculus AB
AP Calculus BCAP Chemistry
AP Computer Science AAP Computer Science Principles
AP English LanguageAP English Literature
AP Environmental ScienceAP Music Theory
AP Physics IAP Physics II
AP PsychologyAP Statistics
AP Studio ArtAP U.S. Government & Politics
AP U.S. HistoryART 122 Electronic Illustration
ART 145 Digital Photography IEGL 192 Introduction to Fiction
ENG 101 Standard Freshman CompositionENG 102 Literature and Composition
PHY 101 College Physics IPHY 102 College Physics II
Sports
# Interscholastic Sports Offered
19
16
Extracurriculars
Total Extracurricular Organizations
22
23
Extracurriculars
Club or Organization:
Arts and Music Programs:
Recreational Athletic Programs:
Amnesty International ClubEnglish Honor Society
Fitness ClubGSA
History Honor SocietyMath Honor Society
Publications ClubScience Olympiad
Student CouncilThe Arts Club
Women's Student UnionYearbook
Yoga and Meditation
Arts and Music Programs:
ChoirFall Play
Recreational Athletic Programs:
Strength and ConditioningWeight Training
College Matriculation
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 58%.
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 19 interscholastic sports: Baseball, Basketball, Bowling, Cheering, Crew, Cross Country, Cross Country Running, Dance, Equestrian, Fencing, Kayaking, Lacrosse, Mountaineering, Riding, Soccer, Softball, Tennis, Ultimate Frisbee and Volleyball. The Knox School is ranked as one of the top boarding schools for most sports offered.
What is The Knox School's ranking?
The Knox School ranks among the top 20 boarding schools for Most sports offered, High # of AP/advanced courses offered and High ACT 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
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. . .
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The nearest boarding school to The Knox School is Westover School (42.3 miles away)
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(518) 686-7331
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(518) 686-7331
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