Enrollment
256
Elementary
DISTRICT 165 · STATE 405
SCHOOL COMMUNITY·LYNDHURST PUBLIC SCHOOL DISTRICT·NCES 340921000574
Jefferson School
336 LAKE AVE., LYNDHURST, NJ 07071 · (201) 896-2065 · Bergen County
GRADES 03–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL256 STUDENTS
Student : Teacher
13.8:1
19 FTE teachers
DISTRICT 15.0:1 · STATE 11.4:1
Free / Reduced Lunch
47%
121 students
DISTRICT 33% · STATE 41%
Community
0
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
| Grade | Students | Share |
|---|---|---|
| Grade 3 | 81 | 32% |
| Grade 4 | 81 | 32% |
| Grade 5 | 94 | 37% |
Student demographics
61%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 60% · STATE 71% · US 70%
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
School pathway
Students here typically continue to
Based on grade levels within Lyndhurst Public School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
56.3%
NJ avg 53.1% . -0.3pp since 2023
Math
39.3%
NJ avg 41.6% . -4.4pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 56 of every 100 students at this school read and write at grade level and about 39 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores have held steady since 2023, while math scores are down about 4 points.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 56.3% | 39.3% |
| 2023-24 | 56.6% | 43.7% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
45.0%
composite math + reading, all grades
Predicted
40.3%
based on NJ schools with similar FRL share
Beats by
+4.7pp
above demographic expectation
What this means: About 45% of students here test proficient in math and reading, compared with the roughly 40% 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 School
Jefferson School's state test result (45.0% proficient) is higher than 1 of the 3 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Jefferson School this school | 256 | 47.3% | 45.0% |
| Netcong Elementary School NETCONG | 295 | 48.8% | 39.2% |
| Hatchery Hill Elementary School Hackettstown | 283 | 42.0% | N/A |
| Garfield Early Childhood Learning Center GARFIELD | 204 | 48.0% | N/A |
| Thomas Jefferson School MORRISTOWN | 285 | 42.1% | 54.9% |
| Willow Grove Elementary School HACKETTSTOWN | 320 | 45.0% | 52.7% |
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 School ranks
Among elementary schools| Measure | This school | In New Jersey | In Bergen County |
|---|---|---|---|
| State test proficiency ranked highest first | 45.0% | #635 of 1,290 | #119 of 137 |
| Math proficiency ranked highest first | 39.3% | #808 of 1,319 ▼ 122 | #139 of 149 ▼ 14 |
| Reading proficiency ranked highest first | 56.3% | #573 of 1,319 ▼ 35 | #122 of 149 ▼ 5 |
| Enrollment ranked largest first | 256 | #1,262 of 1,562 | #134 of 173 |
| Students per teacher ranked fewest first | 13.8:1 | #1,215 of 1,390 | #138 of 151 |
| Diversity index ranked most diverse first | 61.1% | #457 of 1,392 | #58 of 151 |
| Free and reduced lunch ranked highest share first | 47.3% | #620 of 1,481 | #42 of 154 |
| Enrollment change since 2017-18 ranked steepest decline first | -5.9% | #579 of 798 | #63 of 85 |
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 2024-25Enrollment
256
-3 (-1%) vs 2020
+2% since 1990-91, when it was 251
Student : Teacher
13.8:1
was 14.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 256 | 18.5 | 13.8:1 | 47% (121) |
| 2023-24 | 236 | 21 | 11.2:1 | 44% (104) |
| 2022-23 | 237 | 22 | 10.8:1 | 34% (81) |
| 2020-21 | 259 | 18 | 14.4:1 | 35% (90) |
| 2017-18 | 272 | 21.5 | 12.7:1 | 32% (86) |
| 2015-16 | 266 | 21 | 12.7:1 | 17% (45) |
| 2010-11 | 279 | 18 | 15.5:1 | 19% (53) |
| 2000-01 | 271 | 15 | 18.1:1 | 19% (51) |
| 1990-91 | 251 | 14 | 17.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Jefferson School.
Since 2017-18: students down 6% (272 to 256); teachers down 14% (21.5 to 18.5).
About Jefferson School
Jefferson School is a small elementary school in LYNDHURST, New Jersey, administered by Lyndhurst Public School District. Total enrollment is 256 students, and the grades served are 3 through 5. That is 37% below the average of about 405 students for elementary schools in New Jersey.
A total of 9 schools make up Lyndhurst Public School District, with 2,606 students enrolled.
At Jefferson School, 50% of students are Hispanic. The remaining students are 36% White, 5% Black, 5% Asian, and 4% multiracial. Census figures show Bergen County is about 23% Hispanic. On the diversity index, which measures the chance that two random students are from different groups, Jefferson School scores 61%.
There are 18.5 full-time-equivalent teachers at Jefferson School, giving a ratio of 13.8:1. By comparison, the average for elementary schools in New Jersey is 11.4:1. A total of 121 students, or 47%, are eligible for free or reduced-price lunch. That is higher than the 28% average for public schools in Bergen County.
After adjusting for student poverty, Jefferson School lands between the top and bottom 10% of New Jersey schools. Its average proficiency rate across its state test results is 45.0%; the prediction is 40.3%.
In Bergen County, home to about 962,316 people, median household income comes to about $124,884, 53% of adults hold a bachelor's degree or higher, and about 5% of residents live below the federal poverty line. Bergen County's 291 public schools enroll about 133,883 students and include Jefferson School.
Memorial School is about 0.1 miles from Jefferson School, the shortest distance to any other public school. Other public schools within five miles: at least 8. Jefferson School comes in 3rd of 6 nearby schools on average proficiency.
Jefferson School falls in the Suburb: Large locale category, used for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Enrollment has been fairly stable: 259 in 2020-21 and 256 in 2024-25.
The allk12 page for Jefferson School lets the school community talk about athletics, class schedules, and weather closures. You can also rate the school on this page.
Bergen County at a glance
View full county profilePopulation
962,316
Census ACS
Median income
$124,884
Household, ACS
Bachelor's+
53%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
291
133,883 students
Quick facts
Related schools
Other schools in Lyndhurst Public School District
- Lyndhurst High SchoolHigh · 841 students
- Lyndhurst Middle SchoolMiddle · 610 students
- Roosevelt SchoolElementary · 295 students
- Franklin SchoolElementary · 196 students
- Washington SchoolElementary · 162 students
- Columbus SchoolElementary · 102 students
Other schools in LYNDHURST
- Lyndhurst High SchoolHigh · 841 students
- Lyndhurst Middle SchoolMiddle · 610 students
- Roosevelt SchoolElementary · 295 students
- Franklin SchoolElementary · 196 students
- Washington SchoolElementary · 162 students
- Columbus SchoolElementary · 102 students
Other Jefferson schools
12 other US public schools in 8 states are named Jefferson. Jefferson School is the 8th largest of the 13.
- JeffersonSacramento, CA · 735 students
- Jefferson SchoolJefferson, LA · 619 students
- JeffersonHawthorne, CA · 549 students
- JeffersonTracy, CA · 388 students
- Jefferson SchoolIndependence, KS · 356 students
Nearby schools
- Memorial School0.1 mi · 94
- Columbus School0.5 mi · 102
- Franklin School0.6 mi · 196
- Pierrepont School0.6 mi · 569
- Lyndhurst High School0.6 mi · 841
- Lincoln School0.7 mi · 500
Frequently asked questions
About Jefferson SchoolWhat is the total enrollment at Jefferson School?
Jefferson School enrolls approximately 256 students in grades 03-05.
What grades does Jefferson School serve?
Jefferson School serves grades 03-05.
What is the student-teacher ratio at Jefferson School?
The student-to-teacher ratio at Jefferson School is approximately 13.8:1 (19 FTE teachers).
What is the racial breakdown of students at Jefferson School?
At Jefferson School, the student body is approximately 36% White, 50% Hispanic, 5% Black, 5% Asian, 4% Two or more.
Is Jefferson School public or private?
Jefferson School is a public K-12 school, overseen by Lyndhurst Public School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.