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Average

#966 of 2,463 schools in NJ

Top 39% 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

6.9

Grades

Pre-K – 5th

Updated 2022-23

How this school compares

In Dover

#2 of 7

public schools

New Jersey elementary schools

#583 of 1,496

In district

#5 of 6

Rockaway Township School District

School environment

8.3 / 10

Very strong

About Dennis B O'brien Elementary School

Dennis B O'Brien Elementary School serves 295 students in pre-kindergarten through fifth grade in Dover, New Jersey. With 32 full-time equivalent teachers, the school maintains an impressive 9.2-to-1 student-teacher ratio, allowing for more individualized attention in the classroom. Academically, the school earns a solid 7.0 out of 10 rating from MySchoolScout and ranks in the 78th percentile statewide at #548 out of 2,475 New Jersey elementary schools.

Students demonstrate steady performance with 62% achieving proficiency or above in English Language Arts and reading, while 52% reach proficiency in mathematics. These results reflect the school's commitment to supporting student achievement across core subjects. The school draws families from a diverse suburban community where the median household income is $70,942 and median home value is $342,100.

About 23% of area residents hold bachelor's degrees or higher, while 12.2% of families face economic challenges. This mix creates an environment where students from various backgrounds learn together. Dennis B O'Brien Elementary is situated on Mineral Spring Drive in Dover's large suburban setting within Morris County, providing students with both community connections and access to the broader educational and cultural opportunities of northern New Jersey.

What Parents Should Know

With a student-teacher ratio of 9.2:1, Dennis B O'brien Elementary 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.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress6.0Above Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change-1.08 pts/yr
Data Period2019–2024
TrendDeclining
Academics7.5Very Good30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency52%
Reading/ELA Proficiency62%
Math vs. State Avg+4.1 pts
Reading vs. State Avg+18.1 pts
Overall Proficiency57%
Expected (poverty-adj.)57%
vs. Expected-0.2 pts
Adjusted Percentile63th
College ReadinessNot Available

Data not available for this school

Resources & Environment8.3Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio9.2:1
Per-Pupil Spending$26,485

Dennis B O'brien Elementary School — Students at Dennis B O'brien Elementary School score 57% proficient, which is below what's typical for similar communities (expected: 57%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

12.5%

Students qualifying for federal meal assistance

Test Scores NJ NJSLA (2023-24)

Math Proficiency 49.7%
School
State
44.6%
ELA Proficiency 55.4%
School
State
49.3%

Based on 13 test records from NJ state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
62%
ELA
62%
2021*
Math
27%
ELA
42%
2022
Math
52%
ELA
62%
2024
Math
52.4%
ELA
55.5%

* 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: 6.0/10.

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.

Overall Score
6.9/10
61th percentile in NJ
Academic
7.5/10
7.5/10
Growth
6.0/10
Above average
Environment
8.3/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
13%
Teaching Staff
9:1 student-teacher ratio
32 teachers

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 8.9/10, 1.3 miles away, in nearby Rockaway), which scores notably higher. Another option is Birchwood Elementary School (rated 8.2/10, 0.8 miles away), which scores notably higher. Additionally, Lincoln Elementary School (rated 8.0/10, 2.0 miles away, in nearby Rockaway), which scores notably higher. 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 8.2
Catherine A Dwyer Elementary School Wharton 0.9 mi 7.4
Dover High School Dover 1.1 mi 4.1
Dover Middle School Dover 1.4 mi 4.8
East Dover Elementary School Dover 1.4 mi 3.9
North Dover Elementary School Dover 1.3 mi 3.6
Stony Brook Elementary School Rockaway 1.3 mi 8.9
Copeland Middle School Rockaway 1.3 mi 6.6
Academy for Mathematics Science and Engineering Rockaway 1.6 mi 7.7
Morris Hills High School Rockaway 1.6 mi 8.8
Alfred C. MacKinnon Middle School Wharton 1.9 mi 7.4
Marie V. Duffy Elementary School Wharton 1.9 mi 7.0
Academy Street Elementary School Dover 2.3 mi 3.2
DIVINE MERCY ACADEMY/DIOCESE Rockaway 1.9 mi 5.8
Lincoln Elementary School Rockaway 2.0 mi 8.0
Thomas Jefferson Middle School Rockaway 2.0 mi 7.5
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 7.6
Morris Knolls High School Denville 2.6 mi 9.2

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

Community Profile

The community surrounding Dennis B O'brien Elementary School has a median household income of $78,053. It is a community where 22% of adults hold a bachelor's degree or higher. The median home value in the area is $369,400, with a median rent of $1,747/month. The area has a poverty rate of 11.8%. The average commute for residents is 27 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
C. Richard Applegate School Freehold, NJ 6.9
Forest Avenue School Verona, NJ 6.9
Grover Cleveland Elementary School Newark, NJ 6.9
MOSDOS OF GREENVILLE Jersey City, NJ 6.9
Morgan Elementary School Hamilton, NJ 6.9
Round Valley Lebanon, NJ 6.9

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 is ranked #966 out of 2,463 schools in NJ.

What is Dennis B O'brien Elementary School's MySchoolScout rating?

Dennis B O'brien Elementary School has a composite rating of 6.9 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.

What are the test scores at Dennis B O'brien Elementary School?

Based on the most recent state assessment data, Dennis B O'brien Elementary School has 49.7% math proficiency and 55.4% reading/ELA proficiency.

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.

11 schools nearby View map →

Neighborhood Context

City Safety
Elevated (1,098/100K)

FBI UCR 2024. City-level (Dover). Data >1 year old.

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
Data Year
2023–2024

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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