Enrollment
252
High
DISTRICT 186 · STATE 668
SCHOOL COMMUNITY·MILLBROOK CENTRAL SCHOOL DISTRICT·NCES 361938005859
MILLBROOK HIGH SCHOOL
70 CHURCH ST, MILLBROOK, NY 12545 · (845) 677-2510 · Dutchess County
GRADES 09–12HIGH42-RURALREGULAR SCHOOL252 STUDENTS
Student : Teacher
9.3:1
27 FTE teachers
DISTRICT 7.8:1 · STATE 11.0:1
Free / Reduced Lunch
27%
69 students
DISTRICT 26% · STATE 58%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 57 | 23% |
| Grade 10 | 66 | 26% |
| Grade 11 | 59 | 23% |
| Grade 12 | 70 | 28% |
Student demographics
47%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · STATE 72% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within MILLBROOK CENTRAL SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
98.0%
NY avg 58.3% . -1.0pp since 2023
Math
68.0%
NY avg 57.4% . -17.0pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 98 of every 100 students at this school read and write at grade level and about 68 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are down about 1 points since 2023, while math scores are down about 17 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 98.0% | 68.0% |
| 2023-24 | 99.0% | 85.0% |
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
84.5%
composite math + reading, all grades
Predicted
64.9%
based on NY schools with similar FRL share
Beats by
+19.6pp
above demographic expectation
What this means: About 85% of students here test proficient in math and reading, compared with the roughly 65% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Where MILLBROOK HIGH SCHOOL ranks
Among high schools| Measure | This school | In New York | In Dutchess County |
|---|---|---|---|
| State test proficiency ranked highest first | 84.5% | #125 of 1,135 | #3 of 14 |
| Math proficiency ranked highest first | 68.0% | #303 of 1,109 | #4 of 14 |
| Reading proficiency ranked highest first | 98.0% | #27 of 1,135 | #1 of 14 |
| Enrollment ranked largest first | 252 | #1,007 of 1,216 | #13 of 15 |
| Students per teacher ranked fewest first | 9.3:1 | #188 of 1,058 | #2 of 13 |
| Diversity index ranked most diverse first | 47.3% | #551 of 1,070 | #10 of 13 |
| Enrollment change since 2017-18 ranked steepest decline first | -21.0% | #163 of 743 | #1 of 11 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list.
7-year change
SY 2017-18 vs SY 2024-25Enrollment
252
-67 (-21%) vs 2017
Student : Teacher
9.3:1
was 13.3:1
% White
69%
was 85%
% Hispanic
23%
was 9%
% Black
3%
was 2%
% Asian
2%
was 1%
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free or reduced lunch |
|---|---|---|---|---|
| 2024-25 | 252 | 27 | 9.3:1 | 27% (69) |
| 2023-24 | 257 | 26.8 | 9.6:1 | 35% (90) |
| 2022-23 | 271 | 28 | 9.7:1 | 34% (91) |
| 2017-18 | 319 | 24 | 13.3:1 | 26% (82) |
Source: NCES Common Core of Data. Rows are the federal collections on file for MILLBROOK HIGH SCHOOL.
About MILLBROOK HIGH SCHOOL
MILLBROOK HIGH SCHOOL, located in MILLBROOK, New York, is a small high school. It enrolled 252 students in grades 9 through 12 for the 2024-25 school year. Enrollment is 62% lower than the average for high schools in New York, which is about 668.
A total of 4 schools make up MILLBROOK CENTRAL SCHOOL DISTRICT, with 744 students enrolled.
White students are the majority at MILLBROOK HIGH SCHOOL, with 69% of enrollment. It is also 23% Hispanic, 4% multiracial, and 3% Black. That is close to the 69% White share among all Dutchess County residents. Pick two students at random and there is a 47% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
Its teaching staff equals 27 full-time positions, a ratio of 9.3:1. On average, high schools in New York have 11.0:1, compared with 9.3:1 here. Around 27% of the school's students qualify for free or reduced-price meals. The rate at public schools in Dutchess County averages 40%, higher than here.
MILLBROOK HIGH SCHOOL posts an average proficiency rate on state tests of 84.5%, compared with a predicted 64.9%. It is not in the top or bottom 10% of New York schools on BeatsExpectations.
County data help place the school in context: in Dutchess County, the median household income is $99,478, about 42% of adults have at least a bachelor's degree, and roughly 5% of residents are in poverty. In all, Dutchess County has 76 public schools and roughly 36,885 students.
MILLBROOK MIDDLE SCHOOL is the closest public school, about 0.1 miles away in a straight line. In all, 3 other public schools sit within five miles of MILLBROOK HIGH SCHOOL. Of the 6 nearby schools with scores, including this one, MILLBROOK HIGH SCHOOL is 1st on average proficiency.
The school is in rural territory some distance from an urban area, according to its NCES locale (Rural: Distant).
Enrollment is down 21% from 2017-18, when MILLBROOK HIGH SCHOOL had 319 students, to 2024-25, when it had 252. By 2024-25, 69% of students were White, compared with 85% in 2017-18. Students per teacher fell from 13.3 in 2017-18 to 9.3 in 2024-25.
To ask about school events, clubs, and volunteer needs, start a discussion on this page. Anyone with firsthand experience at this school can post or comment.
Dutchess County at a glance
View full county profilePopulation
298,220
Census ACS
Median income
$99,478
Household, ACS
Bachelor's+
42%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
76
36,885 students
Quick facts
Related schools
Other schools in MILLBROOK CENTRAL SCHOOL DISTRICT
- MILLBROOK MIDDLE SCHOOLMiddle · 168 students
- ELM DRIVE ELEMENTARY SCHOOLElementary · 167 students
- ALDEN PLACE ELEMENTARY SCHOOLElementary · 157 students
Other schools in MILLBROOK
- MILLBROOK MIDDLE SCHOOLMiddle · 168 students
- ELM DRIVE ELEMENTARY SCHOOLElementary · 167 students
- ALDEN PLACE ELEMENTARY SCHOOLElementary · 157 students
Nearby schools
- MILLBROOK MIDDLE SCHOOL0.1 mi · 168
- ALDEN PLACE ELEMENTARY SCHOOL0.2 mi · 157
- ELM DRIVE ELEMENTARY SCHOOL0.5 mi · 167
- DOVER ELEMENTARY SCHOOL6.3 mi · 305
- TRAVER ROAD PRIMARY SCHOOL7.0 mi · 344
- COLD SPRING EARLY LEARNING CENTER7.9 mi · 144
Frequently asked questions
About MILLBROOK HIGH SCHOOLHow many students attend MILLBROOK HIGH SCHOOL?
MILLBROOK HIGH SCHOOL enrolls approximately 252 students in grades 09-12.
What grades does MILLBROOK HIGH SCHOOL serve?
MILLBROOK HIGH SCHOOL serves grades 09-12.
What is the student-teacher ratio at MILLBROOK HIGH SCHOOL?
The student-to-teacher ratio at MILLBROOK HIGH SCHOOL is approximately 9.3:1 (27 FTE teachers).
What is the student diversity at MILLBROOK HIGH SCHOOL?
Student demographics at MILLBROOK HIGH SCHOOL are roughly 69% White, 23% Hispanic, 3% Black, 2% Asian, 4% Two or more.
What district is MILLBROOK HIGH SCHOOL in?
MILLBROOK HIGH SCHOOL is part of MILLBROOK CENTRAL SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.