Serving 521 students in grades 6-8, Glenfield Middle School ranks in the top 50% of all schools in New Jersey for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 43% (which is higher than the New Jersey state average of 38%). The percentage of students achieving proficiency in reading/language arts is 53% (which is higher than the New Jersey state average of 49%).
The student:teacher ratio of 9:1 is lower than the New Jersey state level of 11:1.
Minority enrollment is 52% of the student body (majority Black), which is lower than the New Jersey state average of 62% (majority Hispanic).
Quick Stats (2025)
- Grades: 6-8
- Enrollment: 521 students
- Student:Teacher Ratio: 9:1
- Minority Enrollment: 52%
- Overall Testing Rank: Top 50% in NJ
- Math Proficiency: 43% (Top 50%)
- Reading Proficiency: 53% (Top 50%)
- Science Proficiency: 14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), NJ Dept. of Education
Top Rankings
Glenfield Middle School ranks among the top 20% of public schools in New Jersey for:
Category
Attribute
Diversity
Student Attention
School Overview
Glenfield Middle School's student population of 521 students has declined by 22% over five school years.
The teacher population of 58 teachers has declined by 12% over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
521 students
Gender %
Total Classroom Teachers
58 teachers
Year Founded
1901
School Calendar
First Day of School
Mon. Sep 1, 2025
Campus Size
25
School Motto
We believe that every student can learn and achieve in a stress-free, safe, and secure environment, which is both nurturing and challenging.
School Mascot
Cougars
School Rankings
Glenfield Middle School ranks within the top 50% of all 2,184 schools in New Jersey (based off of combined math and reading proficiency testing data).
The diversity score of Glenfield Middle School is 0.69, 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
#937 out of 2184 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
43%
38%
Reading/Language Arts Test Scores (% Proficient)
53%
49%
Science Test Scores (% Proficient)
14%
23%
Student : Teacher Ratio
9:1
11:1
American Indian
n/a
n/a
Asian
4%
10%
Hispanic
14%
34%
Black
23%
15%
White
48%
38%
Hawaiian
n/a
n/a
Two or more races
11%
3%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
15%
32%
Eligible for Reduced Lunch
4%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NJ Dept. of Education
School Notes
- School Mascot: Cougars
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Glenfield Middle School's ranking?
Glenfield Middle School is ranked #937 out of 2,184 schools, which ranks it among the top 50% of public schools in New Jersey.
What schools are Glenfield Middle School often compared to?
Glenfield Middle Schoolis often viewed alongside schools like Buzz Aldrin Middle School, Renaissance Middle School At The Rand Building by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
43% of students have achieved math proficiency (compared to the 38% NJ state average), while 53% of students have achieved reading proficiency (compared to the 49% NJ state average).
How many students attend Glenfield Middle School?
521 students attend Glenfield Middle School.
What is the racial composition of the student body?
48% of Glenfield Middle School students are White, 23% of students are Black, 14% of students are Hispanic, 11% of students are Two or more races, and 4% of students are Asian.
What is the student:teacher ratio of Glenfield Middle School?
Glenfield Middle School has a student ration of 9:1, which is lower than the New Jersey state average of 11:1.
What grades does Glenfield Middle School offer ?
Glenfield Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Glenfield Middle School part of?
Glenfield Middle School is part of Montclair Public School District.
School Reviews
Review Glenfield Middle School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles

Opinion: Handcuffing in Public Schools is a Gateway to More Violence
Some districts are banning handcuffing, while others are cuffing kindergarteners simply throwing a temper tantrum. Read this editorial to see why this author believes slapping the cuffs on children鈥檚 wrists only leads to more behavior issues and violence in their adult lives.

Whooping Cough: Should Vaccinations be Required for Public School Enrollment?
Whopping cough is making a comeback, especially amongst children, prompting health officials to encourage pertussis vaccines and boosters. However, should the pertussis vaccine be required for public school enrollment? Learn about current proposed laws and its ramifications.

What are Common Core Standards and Why Do We Need Them?
With schools nationwide adopting common core standards, we鈥檒l take a look at what they are, their benefits, and how they will change the face of public education.