Average
#190 of 534 private schools in NJ
Top 35% of private schools
Rock Brook School
School · Skillman, NJ
A private school in Skillman, NJ serving grades UG – UG.
109 ORCHARD RD, Skillman, NJ 08558
- 2.9:1 student-teacher ratio
Academics
PreliminaryWhat 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.
Data not available
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
Most recent published year. School vs. NJ average.
Test score data not yet available for this school.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Rock Brook School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the New York map →
Getting around & local context
- Walk 3Car-Dependent
- Bike 22Somewhat Bikeable
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Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$240,968
Median home value
$853,300
Median rent
$1,796/mo
College educated
78.3%
Homeownership
88.5%
Poverty rate
2.3%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 08558; this is area context, not an attendance boundary.
Programs & students
Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)
Source: NCES Private School Universe Survey (PSS)
Compare nearby
Nearby same-level schools
0 from a 5-mile search
No verified same-level alternatives
The available nearby set has no same-level school with a verified grade span.
Rock Brook School is listed in Skillman, NJ; verify the current enrollment path directly.
About Rock Brook School
Rock Brook School is a private school in Skillman, NJ, serving approximately 57 students in grades UG-UG with a 2.9:1 student-teacher ratio. It holds a MySchoolScout rating of 6.8 out of 10 and ranks #190 of 534 private schools in NJ.
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 ranks #190 of 534 private schools in NJ.
What is Rock Brook School's MySchoolScout rating?
Rock Brook School has a current MySchoolScout rating of 6.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; 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.
School factsNCES Private School Universe Survey (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 County
- Phone
- (908) 431-9500
- Area population (ZIP 08558)
- 7,236
- Area average commute
- 36.6 min
- Area median age
- 47.9
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2021–22 · Low confidence
- Vintage not available. Do not use this measure alone.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 08558; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2021–22
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