Millbrook School

Millbrook School

Private High School | Grade 9-12
131 Millbrook School Rd,  Millbrook, NY
4.3
4.2
325 Students
A+
Niche Grade

School Details

Head of School
Drew Casertano
Student Teacher Ratio
4:1
Average SAT Score
1320
Average ACT Score
29
Average GPA
3.58
Graduation Rate
100%
Annual Tuition
$81,500
Boarding Program
Offers Boarding

Niche Grade

A+
Academics
B+
Teachers
A+
College Prep
A+
Resources/Facilities
A
Clubs and Activities
B+
Sports
Source: Niche
Niche Grades

Niche grades and rankings are calculated using dozens of public data sets and millions of reviews. Niche data scientists and user researchers rigorously analyze data and user opinions to assess the key aspects of K-12 Schools, Colleges, and Places to Live. Every month, millions of students and families use the Niche grades and report cards to find the right school or neighborhood.

Niche Grade Details

Academics
Average GPA
3.58
Teachers
Student Teacher Ratio
4:1
Teachers
80
Full Time Teachers
80
Part Time Teachers
0
College Prep
Average SAT
1320
Math
670
Verbal
650
Average ACT
29
Math
27
English
29
Reading
31
Science
28
Number of AP Courses
22
AP Pass Rate
100%
AP Math Enrollment
Very High
AP Science Enrollment
Very High
Other AP Enrollment
Very High
Four-Year Matriculation Rate
100%
Clubs and Activities
Girls Athletic Participation
Very High
Boys Athletic Participation
Very High

GreatSchools Rating Details

Student Diversity

Male
51.7%
Female
48.3%
White
75.5%
Asian
9.1%
Two or more races
5.1%
Black
5.1%
Hispanic
5.1%

School Rankings

#11 Best Boarding HS in New York
#62 Best College Prep Private High Schools in New York
#63 Best Private HS in New York
Source: Niche

Specialty School Programs

AP Programs Offered
Athletics Program

Colleges Students are Considering

Students are most interested in or go on to attend these colleges.
New York University 37 Students
Boston University 33 Students
Boston College 25 Students
University of Michigan - Ann Arbor 24 Students
University of Southern California 23 Students
University of Colorado Boulder 22 Students
College of Charleston 19 Students
Tufts University 19 Students
University of Miami 18 Students
George Washington University 17 Students

What Students Want to Study

Niche users from this school are most interested in the following majors.
Business 55 Students
Psychology 28 Students
Biology 24 Students
Economics 24 Students
Political Science and Government 20 Students
Communications 16 Students
Finance 13 Students
History 11 Students
Marketing 10 Students
Film and Video Studies 10 Students

This School’s Reviews

Niche Reviews
4.3 53 Reviews
5.0 Parent
6/19/2025
Millbrook was great for our son. He learned to manage his time, dramatically improved his writing skills and was able to develop relationships with teachers and staff. It prepared him very well for college.
5.0 Parent
6/18/2025
My daughter goes there, thrives there, and I am overall very happy with the experience that she is getting at Millbrook school. So is she!
5.0 Alum
6/11/2025
I came to Millbrook at a 14 year old living in California, which required a significant adjustment of life and pace at a young age. Millbrook provided me with a community of people, both faculty and students, which became a support system to aid me as I grew into a responsible adult over the next four years. Living in the dorms so far away from home was hard, at times, but those moments really made it possible to see what growth I experienced as I thrived in my personal development.
GreatSchools Reviews
4.2 5 Reviews
5.0 parent
4/3/2023
Millbrook has been a godsend for my son. He was academically and athletically relatively confident before he got there. But the personal attention he got in math from Ms. Clizbe and Mr. Turner really helped him see that he could be a genuinely strong math student. Mr. Okolie, the new math teacher an...
1.0 parent
1/2/2023
Ripped my family apart. The school CFO represented my son against me ( read Parental Alienation) in Duchess County. Then the new Headmaster took my two children into the school with no paperwork. Now the school has legal custody of my two minor children. My father and sister went to the school befor...
5.0 parent
12/23/2022
Really a fantastically supportive environment. The academics are rigorous without being punishing. The teachers there are low-key and also stimulating. The school really steps up with its values. Students live those values and carry them on into their future world. My daughter felt over-prepared for...
5.0 parent
9/16/2020
My daughter has been at Millbrook for 2 years and is thriving. Academics, community service and after school activities have been just right for her. A truly great school!

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Millbrook School is a private school for students in grades 9-12 located at 131 Millbrook School Rd in Millbrook, NY. Annual tuition is $81,500. The school has a total enrollment of 325 and maintains a student-teacher ratio of 4:1. Millbrook School has received feedback and ratings, with a Niche grade of A+. The average GPA is 3.58, the graduation rate is 100%, and average standardized test scores include an SAT score of 1320 and an ACT score of 29. The average home value in this area is $716,407. Discover additional schools in the area, like Maplebrook School, Olivet Academy, Ridge School, and more. Learn more about what Millbrook has to offer, and browse homes for sale and for rent near Millbrook School.

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