River Dell Middle School
🇺🇸 Official data · 2025River Edge, New Jersey 07661 · River Dell Regional School District
#57 of 440 middle schools in New Jersey
#162 of 15,369 nationally
About River Dell Middle School
River Dell Middle School is a public middle located in River Edge, in the River Dell Regional School District school district of New Jersey, United States. It caters for Grades 7–8. In 2025 it enrolled 573 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 92.1 out of 100, placing it in the top 5% of middle schools in United States and 57th of 440 ranked middle schools in New Jersey. Its strongest component is community advantage (fewer free/reduced-price lunch) (100th percentile), and its weakest is students per teacher (80th percentile).
Other published figures: enrollment 573.
There are 3 schools in River Edge; River Dell Middle School ranks 2nd of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)71%
- Reading proficiency (30%)81%
- Community advantage (fewer free/reduced-price lunch) (25%)0.7%
- Students per teacher (15%)11.9
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for River Dell Middle School by the official sources.
- Enrollment
- 573
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 0.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 11.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 81%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 71%
- Share of tested students proficient or above (all students, all grades).
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Schools near River Dell Middle School
Closest schools by straight-line distance, with their Success Index (US).
River Dell Regional High School
Oradell · Public high · Grades 9–12
1,025 students · 456 m away
Roosevelt School
River Edge · Public elementary · Grades K–6
474 students · 721 m away
New Milford High School
New Milford · Public high · Grades 9–12
584 students · 1.3 km away
Oradell Public School
Oradell · Public elementary · Grades PK–6
809 students · 1.5 km away
Memorial Elementary School
Paramus · Public elementary · Grades PK–4
289 students · 1.7 km away
Berkley Street School
New Milford · Public elementary · Grades PK–5
415 students · 1.8 km away
Parkway Elementary School
Paramus · Public elementary · Grades PK–4
297 students · 1.9 km away
East Brook Middle School
Paramus · Public middle · Grades 5–8
555 students · 1.9 km away
David E. Owens Middle School
New Milford · Public middle · Grades 6–8
523 students · 2.1 km away
Cherry Hill School
River Edge · Public elementary · Grades PK–6
697 students · 2.2 km away
Similar schools
Public middle schools in New Jersey with a comparable Enrollment.
Clifton T. Barkalow School
Freehold · Public middle · Grades 6–8
574 students
Lakewood Middle School
Lakewood · Public middle · Grades 7–8
574 students
Valleyview Middle School
Denville · Public middle · Grades 6–8
571 students
Winslow Township Elementary School Five
Berlin · Public middle · Grades 4–6
576 students
Memorial Middle School
Elmwood Park · Public middle · Grades 6–8
569 students
Pierrepont School
Rutherford · Public middle · Grades 4–6
569 students
Frequently asked questions
Is River Dell Middle School a good school?
River Dell Middle School has a Success Index (US) of 92.1 out of 100 (Top 5% of middle schools in United States) and ranks #57 of 440 in New Jersey. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does River Dell Middle School rank in New Jersey?
River Dell Middle School ranks #57 of 440 middle schools in New Jersey and #162 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend River Dell Middle School?
River Dell Middle School had 573 students in 2025.
Is River Dell Middle School a elementary school or a high school?
River Dell Middle School is classified as a middle covering Grades 7–8. It is a public school.
What other schools are near River Dell Middle School?
There are 10 schools within 15 km of River Dell Middle School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.