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

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Quick Facts (2026-27)

Top Ranked NY School
Grades: 9-12
Enrollment: 323 students
Yearly Tuition: $81,500
Acceptance rate: 35%
Average class size: 11 students
Application Deadline: Jan. 15 / rolling
Source: ✓Verified school update

School Rankings

Millbrook School ranks among the top 20% of private schools in New York for:

School Facts

School Membership(s)School Assoc.

National Association of Independent Schools (NAIS)
The Association of Boarding Schools (TABS)
New York State Association of Independent Schools (NYSAIS)

Religious Affiliation

Nonsectarian

Grades Offered

Grades 9-12

Students By Grade

View Data

Distribution of Students By Grade
Grade	Millbrook School
9	67
10	82
11	93
12	81

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Offers Post-Graduate Year

Yes

Learning Difference Programs

Yes

Learning Programs Supported

Dyslexia / Language-based or Mild Learning Differences

Dual Language Immersion Program

Yes

Secondary Immersion Language

Spanish and Mandarin

Year Founded

1931

Colors

Blue, Grey

School Calendar

View School Calendar

Campus Size

800 acres

Student Body

Total Students

323 students

Student Body Type

Co-ed

% Students of Color

31%

State avg.: 39%

Academics & Faculty

Total Classroom Teachers

52 teachers

Student-Teacher Ratio

6:1

National avg.: 11:1

% Faculty w/Advanced Degree

80%

Average Class Size

11 students

Number of AP Courses

17 courses

List of Courses Offered

Link to List of Courses

Matriculation DataMatric. Data

View Matriculation Data

Classroom Dress Code

Casual

Tuition & Acceptance Rate

Admission Deadline

Jan. 15 / rolling

Yearly Tuition Cost

$81,500

View national tuition avg.

Tuition Notes

Day student tuition is $62000

% on Financial Aid

34%

Acceptance Rate

35%

National avg.: 82%

College Acceptance Rate

100%

Admissions Director

Meghan Grover

Admissions Associate

JP Burlington

Application URL

Online Application

Sports

Total Sports Offered

21 sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

35 extracurriculars

ExtracurricularsExtra-curric.

Club or Organization:

Activities CommitteeAmbassador program

ArtsCollege Bowl

Community OutreachDorm Prefects

EngineeringEnvironmental Club

Fire SafetyFood Club

International Student LeadersLibrary Aides

Literary MagazineMillbrook Kicks Cancer

Model UNMusic Lessons

NewspaperPeer Counselors

RecyclingSchool Store

Study Hall ProctorsTheater Tech

Thrift StoreVideo Production

YearbookZoo Volunteers

Show More (10)Hide

Arts and Music Programs:

A Cappella GroupDance

DramaMusical Theater

Studio Music

Recreational Athletic Programs:

Farm SquadRacquet Rec

Strength and ConditioningZoo Squad

School Notes

For the right students and families, Millbrook is better by design in important ways and the best boarding school choice in the U.S. Located ninety miles north of New York City, with easy access by train, Millbrook benefits from the energy and culture of America`s most important city and the incredible natural beauty of the Hudson Valley.
Our beautiful 800-acre campus is expansive yet intimate, traditional yet contemporary; our setting is perfectly designed for learning, inspiring immense life-changing ideas.
We are a powerful, intentional, engaged academic community, and students learn how to think and how to lead.
Determined and resilient, they create their own paths and work tirelessly to reach their goals.
Millbrook students explore broadly, develop their passions, and build on their strengths.
Our faculty are devoted to helping all students discover their true best selves in lasting ways as they guide each student through his/her own personal development plan.
Our student-athletes compete at the highest levels against schools twice our size and learn teamwork and creative problem-solving in the process.
Our exceptionally equipped and robust arts program is unmatched by most other independent schools, and professional artists lead our classes, offering inspiration and superior instruction.
Millbrook`s tradition of service and stewardship is manifested in a real and relevant service program unlike any other, and students make real and meaningful contributions to the life of the school every day.
Here we have a farm to feed our students, we source 100% of our energy from the sun, and our students care for 80 species, including eight endangered species, in a world-class zoo.
We are 330 students strong, and our intentional size allows us to push each student to achieve his/her full potential and personal best.
This happens only at Millbrook, an original American school with a global perspective, where every student`s education is Better by Design.

School Motto: Not for oneself but for all
School Mascot: Mustang

MISSION: In a community where every student is known and needed, Millbrook prepares its graduates for college and lives of meaning and consequence by instilling the values of respect, integrity, service, stewardship, and curiosity.
STEWARDSHIP AND SERVICE: Millbrook is the only high school in the world to have an AZA accredited zoo on its campus, and in this unique educational facility students take college-level science electives,including Animal Behavior and Independent Science Research. Millbrook's zoo breeds 11 endangered species, and students are involved in their daily care. Many graduates have gone on to careers in veterinary science, medicine, zoology and marine biology. Millbrook is a certified leader in environmental education and proudly sources 100 percent of its energy from a seven-acre solar field. Millbrook also upholds a tradition of service - more than 30 community service offerings are part of everyday school life, built into the daily schedule.
ATHLETICS: Millbrook has 38 teams in 14 interscholastic sports that compete regularly in divisions with much larger schools. Recent appearances in New England or other league championship playoffs include cross-country, football, soccer, volleyball, basketball, hockey, squash, baseball, softball, and tennis.
ARTS: The halls of the Holbrook Arts Center are filled with inspiration and a colorful energy, and the walls in the 35,000 square foot building showcase the creativity and talent of students. More than 30 different art offerings are integral to Millbrook's academic program, as more than 80 percent of students take art courses every year.

Source: Verified school update

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Frequently Asked Questions

How much does Millbrook School cost?

Millbrook School's tuition is approximately $81,500 for private students.

What is the acceptance rate of Millbrook School?

The acceptance rate of Millbrook School is 35%, which is lower than the national average of 76%. Millbrook School's acceptance rate is ranked among the top private schools in New York with low acceptance rates.

What sports does Millbrook School offer?

Millbrook School offers 21 interscholastic sports: Alpine Skiing, Ballet, Baseball, Basketball, Cross Country, Dance, Equestrian, Field Hockey, Football, Golf, Ice Hockey, Lacrosse, Paddle Tennis, Snowboarding, Soccer, Softball, Squash, Tennis, Track and Field, Volleyball and Weightlifting. Millbrook School is ranked as one of the top 20% of private schools in New York for most sports offered.

What is Millbrook School's ranking?

Millbrook School ranks among the top 20% of private schools in New York for: Lowest average acceptance rates, Most AP courses offered, Most sports offered and Most extracurriculars offered.

When is the application deadline for Millbrook School?

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

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Did You Know?

The average private school tuition in Dutchess County, NY is $29,475 for elementary schools and $41,241 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Dutchess County, NY is 70% (read more about average acceptance rates across the country).