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Very Good

#234 of 991 private schools in NY

Top 24% of private schools

Millbrook School

High School

131 MILLBROOK SCHOOL RD, Millbrook, NY 12545

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on NY statewide data. Learn more

Enrollment

331

Student-Teacher

7.7:1

Score

7.1

Grades

9th – 12th

Updated 2021-22

How this school compares

In Millbrook

#3 of 3

public schools

New York high schools

#43 of 191

About Millbrook School

Millbrook School is a regular public high school located in the rural community of Millbrook, New York. Serving grades 9 through 12, it has an enrollment of 331 students and maintains a student-teacher ratio of 7.7:1 with 43 full-time equivalent teachers. While academic test score data is not available, the school’s MySchoolScout rating stands at 4.2 out of 10, placing it in the 81st percentile among New York schools according to state rankings.

Millbrook School focuses on providing a supportive learning environment that caters to individual student needs within its rural setting. The small class sizes and dedicated faculty help foster strong relationships between students and teachers, ensuring personalized attention for each learner. Despite the lack of specific test score data, the school continues to emphasize academic growth and development through various extracurricular activities and community involvement.

Millbrook School is situated in a charming rural area that offers a close-knit community atmosphere where students can thrive both academically and socially.

What Parents Should Know

With a student-teacher ratio of 7.7:1, Millbrook School offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.

As a private school, Millbrook School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.

Located in a rural area, Millbrook School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Financial Overview

Source: IRS Form 990 (2023 filing)

Per-Pupil Spending
Total expenses ÷ enrollment
$99,751
Per-Pupil Revenue
Total revenue ÷ enrollment
$100,613
Financial Health
Revenue-to-expense ratio (>1.0 = surplus)
1.01x — Stable
Tuition Dependency
Share of revenue from program services (tuition, fees)
73%
Total Assets
End-of-year total assets from IRS filing
$166.1M

Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 331 students. Not all private schools file Form 990.

Compare to Public Schools

Beta

How Millbrook School compares to the 4 public schools in Millbrook, NY

Student-Teacher Ratio
7.7:1
This School
vs
8.6:1
Public Avg
Avg School Size
331
This School
vs
195
Public Avg
Avg School Scout Rating
7.1
This School
vs
7.9
Public Avg

Student Demographics

White 75.5% vs 0%
Asian 9.1% vs 0%
Black 5.1% vs 0%
Hispanic 5.1% vs 0%
Millbrook School Millbrook Public Avg

All Schools in Millbrook

School Rating
Millbrook School (this school) 7.1
ELM DRIVE ELEMENTARY SCHOOL 8.0
ALDEN PLACE ELEMENTARY SCHOOL 9.1
MILLBROOK MIDDLE SCHOOL 6.8
MILLBROOK HIGH SCHOOL 7.8

Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.

Score Breakdown

What This Rating Measures

This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in NY.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
B+ 7.0 / 10
View breakdown
Student-Teacher Ratio 7.7:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
B+ 6.9 / 10
View breakdown
School Day Length 6.8 hours
Annual Instructional Hours 1,230.8
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
B+ 6.8 / 10
View breakdown
Diversity Index 41%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.1 / 10
View breakdown
Enrollment 331
View data sources

Score basis: Private school model

Data coverage: 80% of scoring components had data

Components scored: 4 of 5

Ranking pool: Private schools in NY

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 75.5%
Asian 9.1%
Black 5.1%
Hispanic 5.1%
Two or More 5.1%

Source: NCES Private School Survey (PSS)

Location

131 MILLBROOK SCHOOL RD, Millbrook, NY 12545

Nearby Alternatives

Families considering Millbrook School may also want to explore other high schools in the area. WEBUTUCK HIGH SCHOOL (rated 8.5/10, 4.8 miles away, in nearby Amenia), which scores notably higher. Another option is MILLBROOK HIGH SCHOOL (rated 7.8/10, 6.2 miles away), which scores slightly higher. Additionally, STISSING MOUNTAIN JUNIOR/SENIOR HIGH SCHOOL (rated 7.4/10, 9.1 miles away, in nearby Pine Plains), which scores slightly higher. For more schools in Millbrook, see our Millbrook schools guide .

Nearby Schools

20 within 9.9 mi
School Distance Rating
MAPLEBROOK SCHOOL Amenia 3.9 mi
WEBUTUCK HIGH SCHOOL Amenia 4.8 mi 8.5
EUGENE BROOKS INTERMEDIATE SCHOOL Amenia 4.8 mi 6.1
WEBUTUCK ELEMENTARY SCHOOL Amenia 4.9 mi 8.6
DUTCHESS DAY SCHOOL Millbrook 6.0 mi 7.3
CARDINAL HAYES SCHOOL FOR SPECIAL CHILDREN Millbrook 5.8 mi 7.2
COLD SPRING EARLY LEARNING CENTER Stanfordville 5.2 mi 8.0
ALDEN PLACE ELEMENTARY SCHOOL Millbrook 6.1 mi 9.1
MILLBROOK MIDDLE SCHOOL Millbrook 6.1 mi 6.8
ELM DRIVE ELEMENTARY SCHOOL Millbrook 6.0 mi 8.0
MILLBROOK HIGH SCHOOL Millbrook 6.2 mi 7.8
DOVER ELEMENTARY SCHOOL Dover Plains 8.3 mi 5.6
SEYMOUR SMITH INTERMEDIATE LEARNING CENTER Pine Plains 8.4 mi 8.6
STISSING MOUNTAIN JUNIOR/SENIOR HIGH SCHOOL Pine Plains 9.1 mi 7.4
UPTON LAKE CHRISTIAN SCHOOL Clinton Corners 7.3 mi 6.4
Sharon Center School Sharon 7.9 mi 7.2
INDIAN MOUNTAIN SCHOOL Lakeville 9.6 mi 6.6
DOVER HIGH SCHOOL Dover Plains 12.0 mi 5.9
DOVER MIDDLE SCHOOL Dover Plains 12.0 mi 6.2
THE MARVELWOOD SCHOOL Kent 9.9 mi 6.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 12545 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$77,991

Median Home Value

$414,800

Median Rent

$1,207/mo

Population

4,389

College Educated

41.2%

Homeownership

58.1%

Poverty Rate

12.8%

Median Age

56.4

Community Profile

The community surrounding Millbrook School has a median household income of $77,991. It is a well-educated community where 41% of adults hold a bachelor's degree or higher. The median home value in the area is $414,800, with a median rent of $1,207/month. The area has a poverty rate of 12.8%. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

Frequently Asked Questions

Common questions about Millbrook School

What grades does Millbrook School serve?

Millbrook School serves students in grades 9th through 12th.

How many students attend Millbrook School?

Millbrook School has an enrollment of approximately 331 students.

What is the student-teacher ratio at Millbrook School?

The student-teacher ratio at Millbrook School is 7.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Millbrook School rank in NY?

Millbrook School is ranked #234 out of 991 private schools in NY.

What is Millbrook School's MySchoolScout rating?

Millbrook School has a composite rating of 7.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

Is Millbrook School a private school?

Yes, Millbrook School is a private coeducational school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is Millbrook School a religious school?

No, Millbrook School is a nonsectarian (non-religious) private school.

11 schools nearby View map →

Neighborhood Context

Walk Score
3 Car-Dependent
Bike Score
10 Somewhat Bikeable

Powered by Walk Score

FBI UCR. County-level only.

Quick Facts NCES PSS (SY 2021-22)

Grades
9th – 12th
Enrollment
331
Gender Split
52% M / 48% F
Student-Teacher Ratio
7.7:1
Teachers (FTE)
43
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
6.8 hours
Days Per Year
181 days
Setting
Distant Rural
County
DUTCHESS
Data Year
2022–2023

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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