Serving 573 students in grades 7-8, River Dell Middle School ranks in the top 20% of all schools in New Jersey for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 65% (which is higher than the New Jersey state average of 38%). The percentage of students achieving proficiency in reading/language arts is 77% (which is higher than the New Jersey state average of 49%).
The student-teacher ratio of 12:1 is higher than the New Jersey state level of 11:1.
Minority enrollment is 48% of the student body (majority Asian), which is lower than the New Jersey state average of 63% (majority Hispanic).
Quick Facts (2026)
- Grades: 7-8
- Enrollment: 573 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 48%
- Overall Testing Rank: Top 20% in NJ
- Math Proficiency: 65% (Top 20%)
- Reading Proficiency: 77% (Top 10%)
- Science Proficiency: 37% (Top 20%)
- Source: National Center for Education Statistics (NCES), NJ Dept. of Education
Top Rankings
River Dell Middle School ranks among the top 20% of public schools in New Jersey for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
River Dell Middle School's student population of 573 students has stayed relatively flat over five school years.
The teacher population of 49 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 7-8
(No virtual instruction)
(No virtual instruction)
Total Students
573 students
Total Classroom Teachers
49 teachers
School Rankings
River Dell Middle School ranks within the top 20% of all 2,184 schools in New Jersey (based off of combined math and reading proficiency testing data).
The diversity score of River Dell Middle School is 0.63, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#237 out of 2184 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
65%
38%
Reading/Language Arts Test Scores (% Proficient)
77%
49%
Science Test Scores (% Proficient)
37%
23%
Student-Teacher Ratio
12:1
11:1
American Indian
n/a
n/a
Asian
30%
11%
Hispanic
13%
35%
Black
2%
14%
White
52%
37%
Hawaiian
n/a
n/a
Two or more races
3%
3%
All Ethnic Groups
Eligible for Free Lunch
1%
38%
Eligible for Reduced Lunch
1%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NJ Dept. of Education
School Notes
- School Mascot: Hawks
Frequently Asked Questions
What is River Dell Middle School's ranking?
River Dell Middle School is ranked #237 out of 2,184 schools, which ranks it among the top 20% of public schools in New Jersey.
What schools are River Dell Middle School often compared to?
River Dell Middle Schoolis often viewed alongside schools like Cresskill Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
65% of students have achieved math proficiency (compared to the 38% NJ state average), while 77% of students have achieved reading proficiency (compared to the 49% NJ state average).
How many students attend River Dell Middle School?
573 students attend River Dell Middle School.
What is the racial composition of the student body?
52% of River Dell Middle School students are White, 30% of students are Asian, 13% of students are Hispanic, 3% of students are Two or more races, and 2% of students are Black.
What is the student-teacher ratio of River Dell Middle School?
River Dell Middle School has a student ration of 12:1, which is higher than the New Jersey state average of 11:1.
What grades does River Dell Middle School offer ?
River Dell Middle School offers enrollment in grades 7-8 (No virtual instruction).
What school district is River Dell Middle School part of?
River Dell Middle School is part of River Dell Regional School District.
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