Serving 512 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 54% of the student body (majority Black), which is lower than the New Jersey state average of 63% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 512 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 54%
- 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
School Overview
Glenfield Middle School's student population of 512 students has declined by 21% over five school years.
The teacher population of 59 teachers has declined by 11% over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
512 students
Total Classroom Teachers
59 teachers
Year Founded
1901
School Calendar
Campus Size
25 acres
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 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 0.71, 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%
11%
Hispanic
15%
35%
Black
21%
14%
White
46%
37%
Hawaiian
n/a
n/a
Two or more races
14%
3%
All Ethnic Groups
Chronically Absent Students
(22-23)14.5%
16.7%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
16%
38%
Eligible for Reduced Lunch
4%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NJ Dept. of Education
School Notes
- School Mascot: Cougars
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?
512 students attend Glenfield Middle School.
What is the racial composition of the student body?
46% of Glenfield Middle School students are White, 21% of students are Black, 15% of students are Hispanic, 14% 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.
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