The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·WESTFIELD PUBLIC SCHOOL DISTRICT·NCES 341776005774

Jefferson Elementary School

1200 Boulevard, Westfield, NJ 07090 · (908) 789-4490 · Union County
GRADES 01–05ELEMENTARY21-SUBURBREGULAR SCHOOL467 STUDENTS
A
allk12 Grade
Scored higher than 88% of New Jersey public elementary schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New Jersey public elementary schools

Enrollment
467
Elementary
DISTRICT 375 · STATE 405
Student : Teacher
13.6:1
34 FTE teachers
DISTRICT 12.7:1 · STATE 11.4:1
Free / Reduced Lunch
1%
3 students
DISTRICT 2% · STATE 41%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 19721%
Grade 29320%
Grade 310723%
Grade 49320%
Grade 57716%

This year's 1st grade class (97) is 26% larger than its 5th grade class (77).

Student demographics
58%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 44% · STATE 71% · US 70%
White
27960%
DISTRICT 73% · STATE 37% · US 43%
Hispanic
4610%
DISTRICT 8% · STATE 35% · US 30%
Black
133%
DISTRICT 2% · STATE 14% · US 15%
Asian
10222%
DISTRICT 11% · STATE 10% · US 6%
Two+
266%
DISTRICT 5% · STATE 3% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
23049%
Female
23751%

Discussions

+ POST

Test scores

NJSLA 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
77.7%
NJ avg 53.1% . -1.5pp since 2023
Math
80.3%
NJ avg 41.6% . +0.1pp since 2023

What this means: On the NJSLA, New Jersey's statewide test, about 78 of every 100 students at this school read and write at grade level and about 80 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores are down about 2 points since 2023, while math scores have held steady.

NJSLA results by year

School yearEnglish Language ArtsMath
2024-2577.7%80.3%
2023-2479.2%80.2%
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: NJSLA. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
74.7%
composite math + reading, all grades
Predicted
65.8%
based on NJ schools with similar FRL share
Beats by
+8.8pp
above demographic expectation

What this means: About 75% of students here test proficient in math and reading, compared with the roughly 66% typical for New Jersey schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New Jersey's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Jefferson Elementary School

Jefferson Elementary School's state test result (74.7% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Jefferson Elementary School this school4670.6%74.7%
Wildwood Elementary School
Mountain Lakes
4230.7%82.3%
South Valley Elementary School
MOORESTOWN
4002.8%78.3%
Somerville Elementary School
RIDGEWOOD
3943.8%80.8%
Lafayette Avenue School
CHATHAM
5542.7%75.0%
Willard Elementary School
RIDGEWOOD
4401.1%75.9%
Matched among New Jersey elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Jefferson Elementary School ranks

Among elementary schools
MeasureThis schoolIn New JerseyIn Union County
State test proficiency
ranked highest first
74.7%#94 of 1,290#11 of 92
Math proficiency
ranked highest first
80.3%#83 of 1,319
▼ 26
#8 of 93
▼ 4
Reading proficiency
ranked highest first
77.7%#128 of 1,319
▼ 30
#9 of 93
▲ 2
Enrollment
ranked largest first
467#491 of 1,562#42 of 108
Students per teacher
ranked fewest first
13.6:1#1,184 of 1,390#86 of 103
Diversity index
ranked most diverse first
58.2%#571 of 1,392#37 of 103
Free and reduced lunch
ranked highest share first
0.6%#1,476 of 1,481#104 of 105
Enrollment change since 2017-18
ranked steepest decline first
-2.5%#724 of 798#49 of 58
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
467
-3 (-1%) vs 2020
+24% since 1990-91, when it was 376
Student : Teacher
13.6:1
was 14.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2546734.413.6:11% (3)
2023-2447236.612.9:11% (3)
2022-2346632.814.2:11% (3)
2020-214703214.7:11% (3)
2017-1847935.613.5:11% (5)
2015-164813314.6:11% (6)
2010-114692320.4:11% (7)
2000-014972817.8:12% (10)
1990-913761919.8:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Jefferson Elementary School.

Since 2017-18: students down 3% (479 to 467); teachers down 3% (35.6 to 34.4).

About Jefferson Elementary School

Jefferson Elementary School is an elementary school in Westfield, New Jersey, according to federal school records. Students in grades 1 through 5 make up the school's enrollment of 467 students.

Westfield Public School District is the local district for Jefferson Elementary School. It runs 10 schools with 5,838 students.

White students are 60% of those enrolled at Jefferson Elementary School. The remaining shares are 22% Asian, 10% Hispanic, 6% multiracial, and 3% Black. Census estimates put the White share of Union County's population at about 39%. On a 0 to 100 scale, the school's diversity index is 58, compared with 70 nationally.

The student-to-teacher ratio is 13.6:1. The school has 34.4 full-time-equivalent teachers. The school's 13.6:1 compares with an average of 11.4:1 for elementary schools in New Jersey. Federal data show 1% of students (3) are eligible for free or reduced-price lunch. That is 51 points below the 52% average for public schools in Union County.

Jefferson Elementary School holds an A allk12 Grade, placing it above 88% of New Jersey public elementary schools.

The allk12 BeatsExpectations score for Jefferson Elementary School is +8.8 points: 74.7% actual, 65.8% predicted.

In the wider Union County area, median household income comes to about $103,202, roughly 39% of adults have a four-year degree or more, and the share of residents below the poverty line is 7%. Union County counts 180 public schools with about 99,046 students.

Tamaques Elementary School is about 0.5 miles away, making it the nearest public school. There are at least 8 more public schools inside five miles. Ranking the closest schools with test data puts Jefferson Elementary School at 1st of 4.

Its location is classified as Suburb: Large by the National Center for Education Statistics.

Between 2020-21 and 2024-25, enrollment moved from 470 to 467, a small change. The ratio was 14.7:1 in 2020-21 and 13.6:1 in 2024-25.

On allk12, people connected to Jefferson Elementary School can post about special education services, counseling, and support programs. Members of the school community can share what they know.

Union County at a glance

View full county profile
Population
579,290
Census ACS
Median income
$103,202
Household, ACS
Bachelor's+
39%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
180
99,046 students

Quick facts

School name
Jefferson Elementary School
District
Westfield Public School District
Address
1200 Boulevard, Westfield, NJ 07090
Phone
(908) 789-4490
County
Union County
Level
Elementary
Grade range
01–05
Total enrollment
467
Teachers (FTE)
34
Student–teacher ratio
13.6:1
Free and reduced lunch
3 (1%)
Locale
21-Suburb: Large
NCES ID
341776005774
Charter school
No
Virtual school
No

Related schools

Other schools in Westfield Public School District
Other schools in Westfield
Other Jefferson Elementary schools

143 other US public schools in 31 states are named Jefferson Elementary. Jefferson Elementary School is the 37th largest of the 144.

Nearby schools

Frequently asked questions

About Jefferson Elementary School
How large is Jefferson Elementary School?
Jefferson Elementary School enrolls approximately 467 students in grades 01-05.
What age range does Jefferson Elementary School serve?
Jefferson Elementary School serves students from grade 01 through grade 05.
How many students per teacher at Jefferson Elementary School?
Approximately 13.6:1 students per teacher at Jefferson Elementary School.
How diverse is Jefferson Elementary School?
Jefferson Elementary School reports a student body of 60% White, 10% Hispanic, 3% Black, 22% Asian, 6% Two or more.
Who oversees Jefferson Elementary School?
Jefferson Elementary School is overseen by Westfield Public School District in Union County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post