B−
Dennis B O'Brien Elementary School
PublicElementaryGrades PK–5
16 Mineral Spring Drive, Dover, NJ 07801 · (973) 361-7330 · Part of Rockaway Township School District
Students
298
Students per teacher
9:1
Free or reduced lunch
26%
Setting
Suburb
Grades
PK–5
What stands out about Dennis B O'Brien Elementary School
- Reading / language arts 5 pts below the state
- Small classes: 9:1 students per teacher
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency27%
State average 25.4%
Reading / language arts42%
State average 47.3%
Location
Directions ↗
16 Mineral Spring Drive, Dover
Students
Enrollment by grade
Kindergarten58
Grade 142
Grade 260
Grade 340
Grade 435
Grade 563
Enrollment over time
310’20
294’21
275’22
295’23
298’24
Down 3.9% since 2020.
Who goes here
White 39%Hispanic 31%Asian 14%Black 11%Two or more races 5%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Dennis B O'Brien Elementary School.
Other schools in Rockaway Township School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.