Excellent
#15 of 534 private schools in NJ
Top 3% of private schools
Cornerstone Day School
High School · Cranford, NJ
A private high school in Cranford, NJ serving grades 6th – 12th.
10-12 COMMERCE DR, Cranford, NJ 07016
- 6.9:1 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 Cornerstone Day 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 63Somewhat Walkable
- Bike 43Somewhat Bikeable
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Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$148,629
Median home value
$635,800
Median rent
$2,116/mo
College educated
64.8%
Homeownership
78.4%
Poverty rate
2.7%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 07016; 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
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Abraham Clark High SchoolEnrollment path unverified | 2.9 | 9–12 | 1.3 mi | 918 | Compare → |
| Linden High SchoolEnrollment path unverified | 5.7 | 9–12 | 1.3 mi | 1,882 | Compare → |
| Raymond J. Lesniak Experience Strength & Hope Recovery HSEnrollment path unverified | Not rated | 9–12 | 1.4 mi | 9 | Compare → |
| Roselle Park High SchoolEnrollment path unverified | 5.2 | 9–12 | 1.5 mi | 641 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Cornerstone Day School is listed in Cranford, NJ; verify the current enrollment path directly.
About Cornerstone Day School
Cornerstone Day School is a private high school in Cranford, NJ, serving approximately 118 students in grades 6th-12th with a 6.9:1 student-teacher ratio. It holds a MySchoolScout rating of 8.1 out of 10 and ranks #15 of 534 private schools in NJ.
Frequently asked questions
Common questions about Cornerstone Day School
What grades does Cornerstone Day School serve?
Cornerstone Day School serves students in grades 6th through 12th.
How many students attend Cornerstone Day School?
Cornerstone Day School has an enrollment of approximately 118 students.
What is the student-teacher ratio at Cornerstone Day School?
The student-teacher ratio at Cornerstone Day School is 6.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Cornerstone Day School rank in NJ?
Cornerstone Day School ranks #15 of 534 private schools in NJ.
What is Cornerstone Day School's MySchoolScout rating?
Cornerstone Day School has a current MySchoolScout rating of 8.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is Cornerstone Day School a private school?
Yes, Cornerstone Day 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 Cornerstone Day School a religious school?
No, Cornerstone Day School is a nonsectarian (non-religious) private school.
School factsNCES Private School Universe Survey (PSS) (SY 2021–22)
- Grades
- 6th – 12th
- Enrollment
- 118
- Gender Split
- 40% M / 60% F
- Student-Teacher Ratio
- 6.9:1
- Teachers (FTE)
- 17
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 7 hours
- Days Per Year
- 220 days
- Setting
- Large Suburb
- County
- Union County
- Phone
- (201) 424-6535
- Area population (ZIP 07016)
- 23,841
- Area average commute
- 35.4 min
- Area median age
- 42.9
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 07016; 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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