Serving 445 students in grades Kindergarten-8, John Marshal School No. 20 ranks in the bottom 50% of all schools in New Jersey for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 13% (which is lower than the New Jersey state average of 38%). The percentage of students achieving proficiency in reading/language arts is 34% (which is lower than the New Jersey state average of 49%).
The student:teacher ratio of 15:1 is higher than the New Jersey state level of 11:1.
Minority enrollment is 99% of the student body (majority Hispanic), which is higher than the New Jersey state average of 62% (majority Hispanic).
Quick Stats (2025)
- Grades: Kindergarten-8
- Enrollment: 445 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 99%
- Overall Testing Rank: Bottom 50% in NJ
- Math Proficiency: 13% (Btm 50%)
- Reading Proficiency: 34% (Btm 50%)
- Science Proficiency: 6-9% (Btm 50%)
- Source: National Center for Education Statistics (NCES), NJ Dept. of Education
Top Rankings
John Marshal School No. 20 ranks among the top 20% of public schools in New Jersey for:
Category
Attribute
Percent Eligible For Free Lunch
School Overview
John Marshal School No. 20's student population of 445 students has grown by 16% over five school years.
The teacher population of 30 teachers has declined by 21% over five school years.
Grades Offered
Grades Kindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
445 students
Gender %
Total Classroom Teachers
30 teachers
School Calendar
First Day of School
Thu. Sep 4, 2025
Last Day of School
Tue. Jun 23, 2026
School Rankings
John Marshal School No. 20 ranks within the bottom 50% of all 2,184 schools in New Jersey (based off of combined math and reading proficiency testing data).
The diversity score of John Marshal School No. 20 is 0.41, 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
#1817 out of 2184 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
13%
38%
Reading/Language Arts Test Scores (% Proficient)
34%
49%
Science Test Scores (% Proficient)
6-9%
23%
Student : Teacher Ratio
15:1
11:1
American Indian
n/a
n/a
Asian
1%
10%
Hispanic
73%
34%
Black
25%
15%
White
1%
38%
Hawaiian
n/a
n/a
Two or more races
n/a
3%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
79%
32%
Eligible for Reduced Lunch
6%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NJ Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is John Marshal School No. 20's ranking?
John Marshal School No. 20 is ranked #1817 out of 2,184 schools, which ranks it among the bottom 50% of public schools in New Jersey.
What percent of students have achieved state testing proficiency in math and reading?
13% of students have achieved math proficiency (compared to the 38% NJ state average), while 34% of students have achieved reading proficiency (compared to the 49% NJ state average).
How many students attend John Marshal School No. 20?
445 students attend John Marshal School No. 20.
What is the racial composition of the student body?
73% of John Marshal School No. 20 students are Hispanic, 25% of students are Black, 1% of students are Asian, and 1% of students are White.
What is the student:teacher ratio of John Marshal School No. 20?
John Marshal School No. 20 has a student ration of 15:1, which is higher than the New Jersey state average of 11:1.
What grades does John Marshal School No. 20 offer ?
John Marshal School No. 20 offers enrollment in grades Kindergarten-8 (No virtual instruction).
What school district is John Marshal School No. 20 part of?
John Marshal School No. 20 is part of Elizabeth School District.
School Reviews
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