At a glance
Reported students
298
NCES CCD 2024–25
Teachers (FTE)
31.81
NCES CCD 2024–25
Student–teacher ratio
9.4:1
Calculated; not a class-size measure
Grades served
PK–05
NCES preliminary directory 2025–26
School benchmarks
New Jersey elementary enrollment
27th percentile
Compared with 1,480 same-level schools reporting enrollment.
District median enrollment
330
Dennis B O'Brien Elementary School: 298 reported students.
State peer staffing position
19th percentile
9.4:1 reported; state peer median 11.2:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 296
- Teachers (FTE)
- 41
- Student–teacher ratio
- 7.2:1
What the reported data says about Dennis B O'Brien Elementary School
Dennis B O'Brien Elementary School is a public elementary school serving grades PK–05 in Dover. It is one of 6 current school records connected to Rockaway Township School District. NCES reports 298 students for 2024–25.
Among 1,480 elementary schools in New Jersey with comparable records, this school is smaller than the reported median of 387 students. Its enrollment is at approximately the 27th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 9.4:1, below the New Jersey median of 11.2:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are White (39.3%) and Hispanic or Latino (30.5%). Students served under IDEA represent 16.2%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports gifted and talented programming. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Questions worth asking Dennis B O'Brien Elementary School
- 1How do the reported 9.4:1 student–teacher ratio and 31.81 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3What counseling support is available today? The school reported 1 counselor FTE in 2021–22.
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Enrollment needs
- Students with disabilities
- 16.2%
- Free/reduced-price lunch
- 25.5%
- Lunch program
- Yes participating without using any Provision or the CEO
Reported support staff
- Counselors (FTE)
- 1
- Nurses (FTE)
- 1
- Psychologists (FTE)
- 0.5
- Social workers (FTE)
- 0.5
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White39.3%
- Hispanic30.5%
- Black11.4%
- Asian13.8%
- American Indian / Alaska Native0.3%
- Native Hawaiian / Pacific Islander0%
- Multiracial4.7%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
Gifted and talented
Offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in Rockaway Township School District
Start with campuses at the same school level or with similar reported enrollment.
Katharine D Malone Elementary School
Elementary · Grades KG–05
303 reported students
Birchwood Elementary School
Elementary · Grades PK–05
314 reported students
Catherine A Dwyer Elementary School
Elementary · Grades KG–05
346 reported students
Stony Brook Elementary School
Elementary · Grades KG–05
365 reported students
Copeland Middle School
Middle · Grades 06–08
799 reported students
Public schools near Dennis B O'Brien Elementary School
Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.
| School | Grades | Students | Distance |
|---|---|---|---|
| Birchwood Elementary School Elementary · Rockaway Township School District | PK–05 | 314 | 0.8 mi |
| Catherine A Dwyer Elementary School Elementary · Rockaway Township School District | KG–05 | 346 | 0.9 mi |
| Stony Brook Elementary School Elementary · Rockaway Township School District | KG–05 | 365 | 1.3 mi |
| North Dover Elementary School Elementary · Dover Public School District | PK–06 | 640 | 1.3 mi |
| East Dover Elementary School Elementary · Dover Public School District | PK–06 | 411 | 1.4 mi |
| Marie V. Duffy Elementary School Elementary · Wharton Borough School District | PK–05 | 434 | 1.9 mi |
Frequently asked questions about Dennis B O'Brien Elementary School
What grades does Dennis B O'Brien Elementary School serve?
Dennis B O'Brien Elementary School reports grades PK–05 in the NCES 2025–26 preliminary directory. It is classified as an elementary school in Rockaway Township School District.
How many students attend Dennis B O'Brien Elementary School?
Dennis B O'Brien Elementary School reported 298 students in the NCES 2024–25 membership file. That places it near the 27th percentile among 1,480 New Jersey elementary schools reporting enrollment. The 2021–22 civil-rights collection recorded 296 students.
What is the student–teacher ratio at Dennis B O'Brien Elementary School?
The calculated ratio is 9.4:1, based on 298 students and 31.81 full-time-equivalent classroom teachers in 2024–25. The New Jersey median for the same school level is 11.2:1. A ratio is not the same as average class size.
Is Dennis B O'Brien Elementary School a public, charter, or magnet school?
Dennis B O'Brien Elementary School is a public school and is not a charter school. Enrollment is generally based on Rockaway Township School District attendance boundaries and transfer rules.
What share of Dennis B O'Brien Elementary School students qualify for free or reduced-price meals?
25.5% of students were eligible for free or reduced-price lunch in 2024–25. This describes the students served and is not a quality measure.
Which school district is Dennis B O'Brien Elementary School in?
Dennis B O'Brien Elementary School is part of Rockaway Township School District, based in Hibernia, NJ, which operates 6 current schools. Confirm attendance zones and enrollment rules with the district.
What public schools are near Dennis B O'Brien Elementary School?
The closest public schools by straight-line distance include Birchwood Elementary School (0.8 mi), Catherine A Dwyer Elementary School (0.9 mi), Stony Brook Elementary School (1.3 mi). Distance does not determine eligibility; attendance boundaries and program rules do.