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Average

#190 of 535 private schools in NJ

Top 35% of private schools

Rock Brook School

School

109 ORCHARD RD, Skillman, NJ 08558

Private Estimated Score

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

Enrollment

57

Student-Teacher

2.9:1

Score

6.8

Grades

UG – UG

Updated 2021-22

How this school compares

New Jersey schools

#69 of 128

About Rock Brook School

Rock Brook School is a small public school located in Skillman, New Jersey, nestled in a rural area near the town. The school serves students from upper grades and has an enrollment of just 57 students, providing a close-knit community feel. With a student-teacher ratio of 2.9:1, Rock Brook School offers individualized attention to each student, supported by 20 full-time equivalent teachers.

While Rock Brook School currently ranks #133 out of 535 schools in New Jersey and has room for academic growth according to MySchoolScout's rating, the school focuses on student development and support. The rural setting contributes to a peaceful learning environment, allowing students to connect with nature and community resources nearby. Rock Brook School is situated in an area where the natural surroundings complement its educational mission, fostering a nurturing atmosphere for its small group of learners.

What Parents Should Know

With an enrollment of 57 students, Rock Brook School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

With a student-teacher ratio of 2.9:1, Rock Brook 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, Rock Brook 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.

Financial Overview

Source: IRS Form 990 (2023 filing)

Per-Pupil Spending
Total expenses ÷ enrollment
$1,118
Per-Pupil Revenue
Total revenue ÷ enrollment
$547
Financial Health
Revenue-to-expense ratio (>1.0 = surplus)
0.49x — At Risk
Tuition Dependency
Share of revenue from program services (tuition, fees)
0%
Total Assets
End-of-year total assets from IRS filing
$541,685

Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 57 students. Not all private schools file Form 990.

Compare to Public Schools

Beta

How Rock Brook School compares to 5 public schools serving similar grades in Skillman, NJ

Student-Teacher Ratio
2.9:1
This School
vs
11:1
Public Avg
Avg School Size
57
This School
vs
898
Public Avg
Avg School Scout Rating
6.8
This School
vs
7.7
Public Avg

Student Demographics

White 71.9% vs 0%
Black 10.5% vs 0%
Hispanic 8.8% vs 0%
Asian 8.8% vs 0%
Rock Brook School Skillman Public Avg

Nearby Other Schools

School Rating
Rock Brook School (this school) 6.8
Montgomery Upper Middle School 8.4
Orchard Hill Elementary School 6.8
Montgomery Lower Middle School 8.1
Village Elementary School 7.4
Montgomery High School 8.0

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 NJ.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
A 9.4 / 10
View breakdown
Student-Teacher Ratio 2.9:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
B- 4.9 / 10
View breakdown
School Day Length 6.5 hours
Annual Instructional Hours 1,170
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
B+ 6.7 / 10
View breakdown
Diversity Index 46%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
C+ 3.8 / 10
View breakdown
Enrollment 57
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 NJ

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 71.9%
Black 10.5%
Hispanic 8.8%
Asian 8.8%

Source: NCES Private School Survey (PSS)

Location

109 ORCHARD RD, Skillman, NJ 08558

Nearby Alternatives

Families considering Rock Brook School may also want to explore other schools in the area. STUART COUNTRY DAY SCHOOL OF THE SACRED HEART (rated 8.4/10, 3.6 miles away, in nearby Princeton), which scores notably higher. Another option is THE LEWIS SCHOOL OF PRINCETON (rated 7.1/10, 4.5 miles away, in nearby Princeton), with a very similar rating. Additionally, PRINCETON DAY SCHOOL (rated 5.5/10, 4.0 miles away, in nearby Princeton), a more accessible option. For more schools in Skillman, see our Skillman schools guide .

Nearby Schools

20 within 4.5 mi
School Distance Rating
Montgomery Upper Middle School Skillman 0.7 mi 8.4
Montgomery Lower Middle School Skillman 0.7 mi 8.1
Orchard Hill Elementary School Skillman 0.7 mi 6.8
Village Elementary School Skillman 1.3 mi 7.4
WALDORF SCHOOL OF PRINCETON Princeton 1.5 mi 6.5
THE BLAWENBURG VILLAGE SCHOOL Skillman 2.0 mi
Montgomery High School Skillman 2.3 mi 8.0
Princeton Charter School Princeton 3.2 mi 7.8
STUART COUNTRY DAY SCHOOL OF THE SACRED HEART Princeton 3.6 mi 8.4
ALL DAY LEARNING CENTERS Hillsborough 3.8 mi
PRINCETON ACADEMY OF THE SACRED HEART Princeton 3.4 mi 7.9
Princeton Middle School Princeton 3.8 mi 8.9
Littlebrook School Princeton 3.8 mi 9.4
Community Park School Princeton 4.0 mi 9.2
Princeton High School Princeton 4.0 mi 7.5
PRINCETON DAY SCHOOL Princeton 4.0 mi 5.5
YINGHUA INTERNATIONAL SCHOOL Kingston 3.7 mi 8.1
ST PAUL SCHOOL OF PRINCETON Princeton 4.5 mi 6.0
THE LEWIS SCHOOL OF PRINCETON Princeton 4.5 mi 7.1
Riverside School Princeton 4.5 mi 9.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 08558 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$240,968

Median Home Value

$853,300

Median Rent

$1,796/mo

Population

7,236

College Educated

78.3%

Homeownership

88.5%

Avg Commute

36.6 min

Poverty Rate

2.3%

Median Age

47.9

Community Profile

The community surrounding Rock Brook School has a median household income of $240,968. It is a well-educated community where 78% of adults hold a bachelor's degree or higher. The median home value in the area is $853,300, with a median rent of $1,796/month. The local poverty rate of 2.3% is relatively low. The average commute in the area is 37 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
COLLEGIATE SCHOOL Passaic, NJ 6.8
THE NEW JERSEY JAPANESE SCHOOL Oakland, NJ 6.8
ALPHA SCHOOL Jackson, NJ 6.7
CAPE CHRISTIAN ACADEMY Cape May Court House, NJ 6.7
FAMILIES UNITED NETWORK ACADEMY Ocean View, NJ 6.7
GLENVIEW ACADEMY Fairfield, NJ 6.7

Frequently Asked Questions

Common questions about Rock Brook School

What grades does Rock Brook School serve?

Rock Brook School serves students in grades UG through UG.

How many students attend Rock Brook School?

Rock Brook School has an enrollment of approximately 57 students.

What is the student-teacher ratio at Rock Brook School?

The student-teacher ratio at Rock Brook School is 2.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Rock Brook School rank in NJ?

Rock Brook School is ranked #190 out of 535 private schools in NJ.

What is Rock Brook School's MySchoolScout rating?

Rock Brook School has a composite rating of 6.8 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 Rock Brook School a private school?

Yes, Rock Brook 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 Rock Brook School a religious school?

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

11 schools nearby View map →

Quick Facts NCES PSS (SY 2021-22)

Grades
UG – UG
Enrollment
57
Gender Split
58% M / 42% F
Student-Teacher Ratio
2.9:1
Teachers (FTE)
20
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
6.5 hours
Days Per Year
180 days
Setting
Fringe Rural
County
SOMERSET
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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