Very Good
#440 of 2,466 schools in NJ
Top 18% in state
Dennis B O'brien Elementary School
Elementary School · Rockaway Township School District
16 MINERAL SPRING DRIVE, Dover, NJ 07801
Enrollment
295
Student-Teacher
9.2:1
Score
7.9
Grades
Pre-K – 5th
Enrollment
295
Student-Teacher
9.2:1
Score
7.9
Grades
Pre-K – 5th
Data vintage
2022-23
Data vintage2022-23
How this school compares
New Jersey schools
#440 of 2,466
In Dover
#1 of 7
public schools
In district
#3 of 6
Rockaway Township School District
School environment
9.1 / 10
Excellent
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Dennis B O'brien Elementary School
Elementary School in Dover · grades Pre-K – 5th. Start here, then compare fit against nearby and district options.
Birchwood Elementary School
0.8 mi away. Use as a geographic alternative in the same move search.
Catherine a Dwyer Elementary School
0.9 mi away. Use as a geographic alternative in the same move search.
About Dennis B O'brien Elementary School
Dennis B O'brien Elementary School is a public elementary school in Dover, NJ, part of Rockaway Township School District. Dennis B O'brien Elementary School serves approximately 295 students, and covers grades Pre-K-5th, and has a 9.2:1 student-teacher ratio. Dennis B O'brien Elementary School has a current MySchoolScout rating of 7.9 out of 10 and ranks #440 of 2,466 schools in NJ.
Structured state assessment records for Dennis B O'brien Elementary School show 58% math proficiency (multi-year average, 2009-2025) and 61% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 7.9 · Very Good
- District avg 7.0
- NJ avg 6.5
What Parents Should Know
At 9.2:1 students to teachers, Dennis B O'brien Elementary School sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Dennis B O'brien Elementary School — Students at Dennis B O'brien Elementary School score 58% proficient, which is below what's typical for similar communities (expected: 61%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
12.5%
Students qualifying for federal meal assistance
Test Scores NJ NJSLA (2024-25)
Based on 41 test records from NJ state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.1/10.
How Dennis B O'brien Elementary School Compares
See how Dennis B O'brien Elementary School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
16 MINERAL SPRING DRIVE, Dover, NJ 07801
Nearby Alternatives
Families considering Dennis B O'brien Elementary School may also want to explore other elementary schools in the area. Stony Brook Elementary School (rated 7.9/10, 1.3 miles away, in nearby Rockaway), with a very similar rating. Another option is Marie V. Duffy Elementary School (rated 6.7/10, 1.9 miles away, in nearby Wharton), a more accessible option. Additionally, Catherine A Dwyer Elementary School (rated 5.9/10, 0.9 miles away, in nearby Wharton), a more accessible option. For more schools in Dover, see our Dover schools guide .
Nearby Schools
20 within 2.6 mi| School | Distance | Rating |
|---|---|---|
| Birchwood Elementary School Dover | 0.8 mi | 4.5 |
| Catherine A Dwyer Elementary School Wharton | 0.9 mi | 5.9 |
| Dover High School Dover | 1.1 mi | 5.2 |
| Dover Middle School Dover | 1.4 mi | 6.3 |
| East Dover Elementary School Dover | 1.4 mi | 5.2 |
| North Dover Elementary School Dover | 1.3 mi | 4.3 |
| Stony Brook Elementary School Rockaway | 1.3 mi | 7.9 |
| Copeland Middle School Rockaway | 1.3 mi | 8.4 |
| Academy for Mathematics Science and Engineering Rockaway | 1.6 mi | 8.2 |
| Morris Hills High School Rockaway | 1.6 mi | 6.7 |
| Alfred C. MacKinnon Middle School Wharton | 1.9 mi | 7.9 |
| Marie V. Duffy Elementary School Wharton | 1.9 mi | 6.7 |
| Academy Street Elementary School Dover | 2.3 mi | 3.8 |
| DIVINE MERCY ACADEMY/DIOCESE Rockaway | 1.9 mi | 5.8 |
| Lincoln Elementary School Rockaway | 2.0 mi | 3.7 |
| Thomas Jefferson Middle School Rockaway | 2.0 mi | 6.9 |
| BRIDGES TO LEARNING Rockaway | 2.2 mi | — |
| AMERICAN CHRISTIAN SCHOOL NORTH CAMPUS Wharton | 2.4 mi | 6.3 |
| Academy for Performing Arts Rockaway | 2.6 mi | 7.0 |
| Morris Knolls High School Denville | 2.6 mi | 6.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 07801 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$78,053
Median Home Value
$369,400
Median Rent
$1,747/mo
Population
26,725
College Educated
22.1%
Homeownership
48.3%
Avg Commute
26.6 min
Poverty Rate
11.8%
Median Age
40
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| AQUINAS ACADEMY Livingston, NJ | 7.9 |
| Aaron Decker School Butler, NJ | 7.9 |
| Allenwood Elementary School Wall, NJ | 7.9 |
| Chairville Elementary School Medford, NJ | 7.9 |
| Estelle V. Malberg Early Childhood Center Cherry Hill, NJ | 7.9 |
| George Washington Elementary School Wyckoff, NJ | 7.9 |
Frequently Asked Questions
Common questions about Dennis B O'brien Elementary School
What grades does Dennis B O'brien Elementary School serve?
Dennis B O'brien Elementary School serves students in grades Pre-K through 5th.
How many students attend Dennis B O'brien Elementary School?
Dennis B O'brien Elementary School has an enrollment of approximately 295 students.
What is the student-teacher ratio at Dennis B O'brien Elementary School?
The student-teacher ratio at Dennis B O'brien Elementary School is 9.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Dennis B O'brien Elementary School rank in NJ?
Dennis B O'brien Elementary School ranks #440 of 2,466 schools in NJ.
What is Dennis B O'brien Elementary School's MySchoolScout rating?
Dennis B O'brien Elementary School has a current MySchoolScout rating of 7.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Dennis B O'brien Elementary School?
Based on loaded state assessment records, Dennis B O'brien Elementary School has 58% math proficiency (multi-year average, 2009-2025) and 61% reading/ELA proficiency (multi-year average, 2009-2025).
Is Dennis B O'brien Elementary School a charter school?
No, Dennis B O'brien Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is Dennis B O'brien Elementary School a Title I school?
No, Dennis B O'brien Elementary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Dennis B O'brien Elementary School?
12.5% of students at Dennis B O'brien Elementary School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 5th
- Enrollment
- 295
- Student-Teacher Ratio
- 9.2:1
- Teachers (FTE)
- 32
- Free/Reduced Lunch
- 12.5%
- Type
- regular
- Setting
- Large Suburb
- County
- Morris County
- Chronic Absenteeism (SY 2022-23)
- 9.2%
- Phone
- (973) 361-7330
Resources & Links
District
Rockaway Township School District- District Enrollment
- 2,431
- Schools in District
- 6
- Per-Pupil Spending
- $27,702
- District Rank
- #3 of 6
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