Average
#403 of 534 private schools in NJ
St Mary School
Elementary School
32A CARROLL AVE, Williamstown, NJ 08094
Enrollment
368
Student-Teacher
14.4:1
Score
5.5
Grades
Pre-K – 8th
Enrollment
368
Student-Teacher
14.4:1
Score
5.5
Grades
Pre-K – 8th
Data vintage
2021-22
Data vintage2021-22
How this school compares
New Jersey private schools
#403 of 534
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St Mary School
Elementary School in Williamstown · grades Pre-K – 8th. Start here, then compare fit against nearby and district options.
Oak Knoll Elementary School
0.5 mi away. Use as a geographic alternative in the same move search.
Radix Elementary
0.9 mi away. Use as a geographic alternative in the same move search.
About St Mary School
St Mary School is a private elementary school in Williamstown, NJ. St Mary School serves approximately 368 students, and covers grades Pre-K-8th, and has a 14.4:1 student-teacher ratio. St Mary School has a current MySchoolScout rating of 5.5 out of 10 and ranks #403 of 534 private schools in NJ.
- This school 5.5 · Average
- NJ avg 6.5
What Parents Should Know
St Mary School is private, so it runs independently of the local district and sets its own curriculum. That freedom cuts both ways depending on what you want for your child. If you're considering it, start with the practical questions: tuition, financial aid, and how admissions work.
Compare to Public Schools
BetaHow St Mary School compares to 6 public schools serving similar grades in Williamstown, NJ
Student Demographics
Nearby Elementary Schools
| School | Rating |
|---|---|
| St Mary School (this school) | 5.5 |
| Oak Knoll Elementary School | 5.0 |
| Williamstown Middle School | 7.2 |
| Radix Elementary | 6.4 |
| Holly Glen Elementary School | 6.9 |
| Whitehall Elementary School | 5.8 |
| Collings Lakes Elementary School | 3.6 |
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
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 Unavailable
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)
Source: NCES Private School Survey (PSS)
Location
32A CARROLL AVE, Williamstown, NJ 08094
Nearby Alternatives
Families considering St Mary School may also want to explore other elementary schools in the area. Winslow Township Elementary School Two (rated 8.4/10, 4.7 miles away, in nearby Sicklerville), which scores notably higher. Another option is Winslow Township Elementary School Four (rated 7.8/10, 3.4 miles away, in nearby Sicklerville), which scores notably higher. Additionally, Winslow Township Elementary School Three (rated 7.6/10, 2.6 miles away, in nearby Sicklerville), which scores notably higher. For more schools in Williamstown, see our Williamstown schools guide .
Nearby Schools
20 within 5.9 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 08094 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$92,125
Median Home Value
$260,200
Median Rent
$1,420/mo
Population
40,542
College Educated
27.5%
Homeownership
82.6%
Avg Commute
34 min
Poverty Rate
7%
Median Age
39.7
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Central Elementary School Wall, NJ | 5.5 |
| Dr. Henry H. Davis Elementary School Camden, NJ | 5.5 |
| Garfield Elementary School Kearny, NJ | 5.5 |
| Glenview Avenue Haddon Heights, NJ | 5.5 |
| James Johnson Elementary School Cherry Hill, NJ | 5.5 |
| Jeffrey Clark School Mickleton, NJ | 5.5 |
Frequently Asked Questions
Common questions about St Mary School
What grades does St Mary School serve?
St Mary School serves students in grades Pre-K through 8th.
How many students attend St Mary School?
St Mary School has an enrollment of approximately 368 students.
What is the student-teacher ratio at St Mary School?
The student-teacher ratio at St Mary School is 14.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does St Mary School rank in NJ?
St Mary School ranks #403 of 534 private schools in NJ.
What is St Mary School's MySchoolScout rating?
St Mary School has a current MySchoolScout rating of 5.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is St Mary School a private school?
Yes, St Mary School is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is St Mary School a religious school?
St Mary School has a Roman Catholic religious affiliation.
Neighborhood Context
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Quick Facts NCES PSS (SY 2021-22)
- Grades
- Pre-K – 8th
- Enrollment
- 368
- Gender Split
- 52% M / 48% F
- Student-Teacher Ratio
- 14.4:1
- Teachers (FTE)
- 26
- Type
- private
- Coed Status
- coed
- Affiliation
- Roman Catholic
- School Day
- 6.8 hours
- Days Per Year
- 180 days
- Setting
- Large Suburb
- County
- Gloucester County
- Phone
- (856) 629-6190
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