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SCHOOL COMMUNITY·HAMILTON TOWNSHIP PUBLIC SCHOOL DISTRICT·NCES 340654003108

Klockner Elementary School

830 KLOCKNER AVENUE, HAMILTON, NJ 08619 · (609) 631-4154 · Mercer County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL284 STUDENTS
Enrollment
284
Elementary
DISTRICT 328 · STATE 405
Student : Teacher
14.1:1
20 FTE teachers
DISTRICT 12.2:1 · STATE 11.4:1
Free / Reduced Lunch
71%
201 students
DISTRICT 54% · 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
Pre-K
50
Kindergarten
42
Grade 1
31
Grade 2
47
Grade 3
43
Grade 4
39
Grade 5
32
Student demographics
White
18%
DISTRICT 32% · STATE 37%
Hispanic
50%
DISTRICT 44% · STATE 35%
Black
19%
DISTRICT 17% · STATE 14%
Asian
7%
DISTRICT 3% · STATE 10%
Two+
6%
DISTRICT 4% · STATE 3%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
51%
Female
49%

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Test scores

NJSLA 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
40.4%
NJ avg 53.1% . +9.0pp since 2023
Math
38.1%
NJ avg 41.6% . +12.9pp since 2023
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
29.8%
composite math + reading, all grades
Predicted
27.4%
based on NJ schools with similar FRL share
Beats by
+2.4pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
284
+23 (+9%) vs 2017
Student : Teacher
14.1:1
was 13.1:1
% White
18%
was 21%
% Hispanic
50%
was 39%
% Black
19%
was 27%
% Asian
7%
was 10%
Source: NCES Common Core of Data

About Klockner Elementary School

Klockner Elementary School operates as a modestly sized elementary campus in HAMILTON, New Jersey, run under Hamilton Township Public School District. Current enrollment sits at 284 students spanning grades pre-K through 5. Enrollment runs roughly 30% leaner than the state mean of about 405.

Across the 23 schools in Hamilton Township Public School District (12,355 students total), Klockner Elementary School accounts for its share of the district's footprint.

Looking at the student body, Klockner Elementary School lists that the most-represented group is Hispanic (50%), with the rest of the student body spread across multiple groups. Other groups include 19% Black, 18% White, 7% Asian, 6% multiracial. By comparison, Mercer County as a whole is about 23% Hispanic, so the school skews noticeably more Hispanic than its surroundings.

On the income-and-resources front, On paper, Klockner Elementary School has 20 full-time-equivalent teachers, translating to a class-load average of around 14.1:1. Statewide, the average ratio sits near 11.4:1, putting Klockner Elementary School higher than the state norm the norm. Around 71% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. Set against Mercer County (around 48%), the school's rate is meaningfully above typical.

On a demographically-adjusted basis, Klockner Elementary School tracks the demographic baseline. The model predicts 27.4% given the school's FRL share; actual proficiency is 29.8%.

In the surrounding community, ACS estimates for Mercer County put median household income runs about $100,645, 45% of adults hold a bachelor's degree or higher, and the poverty rate sits near 7%. Klockner Elementary School is one of 110 public schools in Mercer County (combined enrollment of about 58,647 students).

Nearest neighbor: Hamilton North - Nottingham, around 0.3 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Klockner Elementary School at 3rd of 8; the average score across the group is 22.0%.

Geographically, the school is in a bedroom-community area.

Trend over the last 7 years. Over the past 7-year window, the student count rose 9%: 261 students in 2018 compared to 284 in 2025. Hispanic enrollment moved from 39% to 50% across the same window.

Inside the community feed, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.

Mercer County at a glance

View full county profile
Population
385,864
Census ACS
Median income
$100,645
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
110
58,647 students

Quick facts

School name
Klockner Elementary School
District
Hamilton Township Public School District
Address
830 KLOCKNER AVENUE, HAMILTON, NJ 08619
Phone
(609) 631-4154
County
Mercer County
Level
Elementary
Grade range
PK–05
Total enrollment
284
Teachers (FTE)
20
Student–teacher ratio
14.1:1
Free/Reduced lunch
201 (71%)
Locale
21-Suburb: Large
NCES ID
340654003108
Charter school
No
Virtual school
No

Related schools

Other schools in Hamilton Township Public School District
Other schools in HAMILTON
Nearby schools

Frequently asked questions

About Klockner Elementary School
How large is Klockner Elementary School?
Klockner Elementary School enrolls approximately 284 students in grades PK-05.
What age range does Klockner Elementary School serve?
Klockner Elementary School serves students from grade PK through grade 05.
What is the student-teacher ratio at Klockner Elementary School?
The student-to-teacher ratio at Klockner Elementary School is approximately 14.1:1 (20 FTE teachers).
What is the student diversity at Klockner Elementary School?
Student demographics at Klockner Elementary School are roughly 18% White, 50% Hispanic, 19% Black, 7% Asian, 6% Two or more.
Who oversees Klockner Elementary School?
Klockner Elementary School is overseen by Hamilton Township Public School District in Mercer County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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