For the 2026 school year, there is 1 private high school serving 323 students in Millbrook, NY.
The top-ranked private high school in Millbrook, NY is Millbrook School.
The average acceptance rate is 35%, which is lower than the New York private high school average acceptance rate of 75%.
Top-Ranked Millbrook Private High Schools (2026)
School
Location
Quick Facts
131 Millbrook School Rd
Millbrook, NY 12545
(845) 677-8261
Millbrook, NY 12545
(845) 677-8261
Gr: 9-12 | 323 students Avg. class size: 11 students Sports: 21 | Extracurrculars: 35 Tuition & acceptance rate listed
Millbrook, New York Private Schools (Closed)
School
Location
Quick Facts
St. Joseph School (Closed 2010)
(Catholic)
Po Box 587
Millbrook, NY 12545
(845) 677-3670
Millbrook, NY 12545
(845) 677-3670
Gr: PK-8 | 169 students
Overview
This Town (Millbrook)
This State (NY)
# Schools
1 School
Student Body:
# Students
323 Students
235,762 Students
% Average Students of Color
31%
38%
Academics and Faculty:
# Teachers
52 Teachers
25,226 Teachers
Average Student-Teacher Ratio
6:1
9:1
% Average Faculty w/Advanced Degree
80%
76%
Average Class Size
11 students
15 students
Average Number of AP Courses
17 courses
12 courses
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$81,500
$26,901
Average % on Financial Aid
34%
35%
Average Acceptance Rate
35%
75%
Students by Ethnicity:
Diversity Score
0.36
0.51
# American Indian Students
n/a
429 Students
% American Indian Students
n/a
n/a
# Asian Students
32 Students
11,858 Students
% Asian Students
10%
5%
# Hispanic Students
5 Students
15,698 Students
% Hispanic Students
2%
7%
# Black Students
13 Students
16,795 Students
% Black Students
4%
7%
# White Students
256 Students
161,811 Students
% White Students
79%
69%
# Hawaiian Students
n/a
2,431 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
17 Students
26,452 Students
% of Others Students
5%
11%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
35 extracurriculars
18 extracurriculars
Average Number of Sports
21 sports
9 sports
Frequently Asked Questions
What are the top-ranked private high schools in Millbrook, NY?
The top-ranked private high schools in Millbrook, NY is Millbrook School.
How many private high schools are located in Millbrook?
1 private high schools are located in Millbrook.
Recent Articles
How Private Schools Are Adapting to Students with AI-Assisted Learning Habits
Learn how private schools are responding to AI-assisted learning through updated policies, classroom innovation, and responsible technology integration.
Private School Programs for Students Interested in Esports Careers
Explore how private schools are preparing students for esports careers through competitive gaming programs, STEM education, and industry partnerships.
The Role of Private Schools in Olympic and Elite Athletic Development
Discover how private schools help develop Olympic and elite athletes through coaching, facilities, academics, and long-term athlete support.