- Enrollment
- 799
- Students per teacher
- 10.5:1
- Resource Index
- 63/100
Other / mixed grade configuration · Dover, NJ
Dennis B O'brien Elementary School
Federal NCES profile for Dennis B O'brien Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 65/100.
2024-25 NCES dataOther / mixed grade configurationNCES 341413004516
👥 S:T ratio 62
🌟 Gifted program 70
🎓 Counselors 40
📋 Attendance 88
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Dennis B O'brien Elementary School earns 65/100 on the Resource Investment Index, with class sizes smaller than 80% of New Jersey schools. It is also more racially and ethnically mixed than most New Jersey schools.
- #1 of 4
- schools in Dover · Resource Index
- 65
- Resource Index · Higher
- 9.6:1
- small classes for New Jersey
- 12.0%
- free-lunch eligible
Dennis B O'brien Elementary School has class sizes smaller than 80% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Dennis B O'brien Elementary School ranks #1 of 4 schools in Dover, NJ.
School address
District: Rockaway Township School District · New Jersey
NCES ID 341413004516 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+20 students YoY
Dennis B O'brien Elementary School grew from 275 students in 2022-23 to 295 in 2023-24 (+7.3%).
Teacher FTE added 31.1 → 32.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+20 students YoY 341413004516 · Dover, NJ Other · SMALL · TRAD
298 enr · 9.6:1 · 12.0% lunch · RII 65
Nearest enrollment peer: Copeland Middle School (799 students)
Dennis B O'brien Elementary School grew from 275 students in 2022-23 to 295 in 2023-24 (+7.3%). Teacher FTE added 31.1 → 32.0 across the same CCD years. Read with this school → · District book → · New Jersey schools → · Find another →
Dennis B O'brien Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Copeland Middl
Copeland Middle School
799 students
- Stony Brook El
Stony Brook Elementary School
365 students
- Catherine a Dw
Catherine a Dwyer Elementary School
346 students
- Birchwood Elem 314
Birchwood Elementary School
314 students
- Katharine D Ma 303
Katharine D Malone Elementary School
303 students
- This school 298
Dennis B O'brien Elementary School
298 students
What this shows Dennis B O'brien Elementary School reports 298 students on the CCD universe file.
How Dennis B O'brien Elementary School compares
Dennis B O'brien Elementary School is a growing campus on CCD: ratios and free-lunch share vs New Jersey and U.S. means.
| Metric | This school | vs New Jersey | New Jersey avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.6:1 | ▼ 19% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 12.0% | ▼ 59% | 29.6% | 51.7% |
| Enrollment | 298 | top 75% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.6:1
Leaner classes than 91% of US schools, among the more generously staffed nationally.
298
Bigger than 32% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
12.0%
free-lunch eligible
- 59% below the New Jersey average of 29.6%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
9.6:1
students per teacher
- 19% below state mean
Top 20% in New Jersey - lower ratio than 80% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
5.0%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$27,620
per pupil, district-wide
- above New Jersey avg of $26,225
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 298 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 0 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 0.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 39.3%
Hispanic or Latino 30.5%
Asian 13.8%
African American 11.4%
Two or More 4.7%
American Indian / Alaska Native 0.3%
Largest group: White at 39.3% of enrollment.
Student-body diversity index 71.8/100
Simpson diversity index - at 71.8, Dennis B O'brien Elementary School is more mixed than the New Jersey school average of 51.2.
Programs
Gifted & talented Yes
District finance for Rockaway Township School District reports $27,620 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Dennis B O'brien Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Copeland Middle School | Larger | Similar economic need | Similar S:T ratio |
| Stony Brook Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Catherine a Dwyer Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Birchwood Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Katharine D Malone Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Dennis B O'brien Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 365
- Students per teacher
- 9.6:1
- Resource Index
- 59/100
- Enrollment
- 346
- Students per teacher
- 10.5:1
- Resource Index
- 61/100
- Enrollment
- 314
- Students per teacher
- 10.1:1
- Resource Index
- 51/100
- Enrollment
- 303
- Students per teacher
- 10.1:1
- Resource Index
- 62/100
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~298 students)
Frequently asked questions about Dennis B O'brien Elementary School
How many students attend Dennis B O'brien Elementary School?
Dennis B O'brien Elementary School has 298 students enrolled. It is a public school in Dover, NJ. CCD year-over-year: 275 (2022-23) → 295 (2023-24), up 20.
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 9.6:1, which is 19% lower than the New Jersey average of 11.8:1 and 39% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Dennis B O'brien Elementary School?
12.0% of students at Dennis B O'brien Elementary School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Dennis B O'brien Elementary School?
The largest demographic group at Dennis B O'brien Elementary School is White at 39.3% of enrollment, in Dover, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.8/100.
What is the Resource Investment Index for Dennis B O'brien Elementary School?
Dennis B O'brien Elementary School has a Resource Investment Index of 65/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Dennis B O'brien Elementary School rank among schools in Dover?
By Resource Investment Index, Dennis B O'brien Elementary School ranks #1 of 4 schools in Dover, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Dover on the city page.
What other schools are in Rockaway Township School District?
Besides Dennis B O'brien Elementary School, Rockaway Township School District also operates Copeland Middle School (799 students), Stony Brook Elementary School (365 students), and Catherine a Dwyer Elementary School (346 students). See the Rockaway Township School District district page for the complete list.