Serving 253 students in grades Kindergarten-2, Jefferson (Annex) Elementary School ranks in the bottom 50% of all schools in New Jersey for overall test scores (math proficiency is top 20%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 40-49% (which is higher than the New Jersey state average of 26%). The percentage of students achieving proficiency in reading/language arts is 20-29% (which is lower than the New Jersey state average of 47%).
The student-teacher ratio of 13:1 is higher than the New Jersey state level of 11:1.
Minority enrollment is 44% of the student body (majority Hispanic), which is lower than the New Jersey state average of 63% (majority Hispanic).
Quick Facts (2026-27)
- Grades: Kindergarten-2
- Enrollment: 253 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 44%
- Math Proficiency: 40-49% (Top 1% in NJ)
- Reading Proficiency: 20-29%
- Attendance Zone: Jefferson (Annex) Elementary School's attendance zone covers the entire district of Wallington, NJ, encompassing approximately 1 square mile. Families typically live within a 5-10 minute drive of the school, with an average distance of 0.7 miles to the zone's edge and a maximum distance of 1.1 miles.
- Source: National Center for Education Statistics (NCES), NJ Dept. of Education
School Overview
Jefferson (Annex) Elementary School's student population of 253 students has grown by 6% over five school years.
The teacher population of 19 teachers has grown by 5% over five school years.
Grades Offered
Grades Kindergarten-2
(No virtual instruction)
(No virtual instruction)
Total Students
253 students
Total Classroom Teachers
19 teachers
School Rankings
The diversity score of Jefferson (Annex) Elementary School is 0.55, 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.
Math Test Scores (% Proficient)
(20-21)40-49%
26%
Reading/Language Arts Test Scores (% Proficient)
(20-21)20-29%
47%
Student-Teacher Ratio
13:1
11:1
American Indian
n/a
n/a
Asian
2%
11%
Hispanic
38%
35%
Black
3%
14%
White
56%
37%
Hawaiian
n/a
n/a
Two or more races
1%
3%
All Ethnic Groups
Chronically Absent Students
(22-23)20.2%
16.7%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
48%
38%
Eligible for Reduced Lunch
6%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NJ Dept. of Education
Frequently Asked Questions
What schools are Jefferson (Annex) Elementary School often compared to?
Jefferson (Annex) Elementary Schoolis often viewed alongside schools like Frank W. Gavlak Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-49% of students have achieved math proficiency (compared to the 26% NJ state average), while 20-29% of students have achieved reading proficiency (compared to the 47% NJ state average).
How many students attend Jefferson (Annex) Elementary School?
253 students attend Jefferson (Annex) Elementary School.
What is the racial composition of the student body?
56% of Jefferson (Annex) Elementary School students are White, 38% of students are Hispanic, 3% of students are Black, 2% of students are Asian, and 1% of students are Two or more races.
What is the student-teacher ratio of Jefferson (Annex) Elementary School?
Jefferson (Annex) Elementary School has a student ration of 13:1, which is higher than the New Jersey state average of 11:1.
What grades does Jefferson (Annex) Elementary School offer ?
Jefferson (Annex) Elementary School offers enrollment in grades Kindergarten-2 (No virtual instruction).
What school district is Jefferson (Annex) Elementary School part of?
Jefferson (Annex) Elementary School is part of Wallington Boro School District.
School Reviews
Review Jefferson (Annex) Elementary 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
School Leadership Matters: Evaluating a Principal
Learn how to evaluate a public school principal before enrolling by examining leadership stability, teacher support, communication, school culture, instructional priorities, discipline, family engagement, and measurable improvement efforts.
Comparing Before- and After-School Programs
Learn how to compare before- and after-school programs when choosing a public school, including hours, costs, staffing, safety, activities, enrollment rules, transportation, meals, and daily convenience for families.
Choosing a Public School During Budget Uncertainty
Learn which questions parents should ask when choosing a public school during budget uncertainty, including staffing, programs, class sizes, transportation, reserves, enrollment trends, and planned reductions ahead.
