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SCHOOL COMMUNITY·HOPEWELL VALLEY REGIONAL SCHOOL DISTRICT·NCES 340753000503

Stony Brook Elementary School

20 STEPHENSON ROAD, PENNINGTON, NJ 08534 · (609) 737-4006 · Mercer County
GRADES PK–05ELEMENTARY21-SUBURBREGULAR SCHOOL395 STUDENTS
Enrollment
395
Elementary
DISTRICT 388 · STATE 405
Student : Teacher
9.6:1
41 FTE teachers
DISTRICT 8.9:1 · STATE 11.4:1
Free / Reduced Lunch
13%
50 students
DISTRICT 6% · 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
Pre-K
10
Kindergarten
60
Grade 1
56
Grade 2
87
Grade 3
60
Grade 4
64
Grade 5
58
Student demographics
White
14938%
DISTRICT 68% · STATE 37%
Hispanic
4010%
DISTRICT 8% · STATE 35%
Black
338%
DISTRICT 4% · STATE 14%
Asian
16542%
DISTRICT 17% · STATE 10%
Two+
82%
DISTRICT 3% · STATE 3%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
19950%
Female
19650%

Discussions

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Test scores

NJSLA 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
81.0%
NJ avg 53.1% . -4.8pp since 2023
Math
78.9%
NJ avg 41.6% . -0.6pp since 2023
Source: NJSLA. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
OUTPERFORMING
Top 10% of NJ schools after controlling for student poverty
Actual proficiency
79.3%
composite math + reading, all grades
Predicted
59.2%
based on NJ schools with similar FRL share
Beats by
+20.0pp
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
395
+2 (+1%) vs 2017
Student : Teacher
9.6:1
was 9.9:1
% White
38%
was 52%
% Hispanic
10%
was 5%
% Black
8%
was 3%
% Asian
42%
was 36%
Source: NCES Common Core of Data

About Stony Brook Elementary School

Stony Brook Elementary School is one of the moderately sized elementary campuss in PENNINGTON, New Jersey, operated by Hopewell Valley Regional School District, with 395 students on its rolls from grades pre-K through 5.

Across the 6 schools in Hopewell Valley Regional School District (3,423 students total), Stony Brook Elementary School accounts for its share of the district's footprint.

For racial and ethnic makeup, Stony Brook Elementary School logs that the most-represented group is Asian (42%), with the rest of the student body spread across multiple groups. Other groups include 38% White, 10% Hispanic, 8% Black, 2% multiracial. That is noticeably more Asian than the county at large, where the share is closer to 12%.

Looking at school resources, Stony Brook Elementary School lists 41 full-time-equivalent teachers, putting the student-to-teacher ratio at about 9.6:1. The state averages around 11.4:1, so this campus is tighter than the state norm typical. About 13% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy. That share is below Mercer County's rate of about 48%.

Adjusting for the school's free-and-reduced-lunch share, Stony Brook Elementary School is in the OUTPERFORMING tier of the BeatsExpectations model, which fits a per-state line through proficiency and FRL share. Schools with this campus's poverty mix typically land near 59.2%; this one delivers 79.3%, a residual of +20.0 points.

Zooming out to the county, census data for Mercer County shows median household earnings sit near $100,645, about 45% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 7%. Across Mercer County's 110 public schools (combined enrollment of about 58,647 students), Stony Brook Elementary School is one campus in the mix.

The closest other public school is Mercer County Technical School STEM Academy, roughly 1.4 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Stony Brook Elementary School comes 1st of 8 in the immediate cluster, higher than the nearby-schools average of 48.1%.

Stony Brook Elementary School operates from an outer-ring location.

Over the past 7-year window. Stony Brook Elementary School's enrollment has changed only slightly since 2018, when it stood at 393 (now 395). Over the same period, the White share edged down from 52% to 38%.

On allk12, posts here usually surface around fundraisers, lost-and-found posts, and report-card season. 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
Stony Brook Elementary School
District
Hopewell Valley Regional School District
Address
20 STEPHENSON ROAD, PENNINGTON, NJ 08534
Phone
(609) 737-4006
County
Mercer County
Level
Elementary
Grade range
PK–05
Total enrollment
395
Teachers (FTE)
41
Student–teacher ratio
9.6:1
Free/Reduced lunch
50 (13%)
Locale
21-Suburb: Large
NCES ID
340753000503
Charter school
No
Virtual school
No

Related schools

Other schools in Hopewell Valley Regional School District
Other schools in PENNINGTON
Nearby schools

Frequently asked questions

About Stony Brook Elementary School
How many students attend Stony Brook Elementary School?
Stony Brook Elementary School enrolls approximately 395 students in grades PK-05.
What grades does Stony Brook Elementary School serve?
Stony Brook Elementary School serves grades PK-05.
How many students per teacher at Stony Brook Elementary School?
Approximately 9.6:1 students per teacher at Stony Brook Elementary School.
What is the racial breakdown of students at Stony Brook Elementary School?
At Stony Brook Elementary School, the student body is approximately 38% White, 10% Hispanic, 8% Black, 42% Asian, 2% Two or more.
Who oversees Stony Brook Elementary School?
Stony Brook Elementary School is overseen by Hopewell Valley Regional 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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