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SCHOOL COMMUNITY·CRANBURY TOWNSHIP SCHOOL DISTRICT·NCES 340354003282

Cranbury School

23 N MAIN ST, CRANBURY, NJ 08512 · (609) 395-1700 · Middlesex County
GRADES PK–08ELEMENTARY21-SUBURBREGULAR SCHOOL421 STUDENTS
A-
allk12 Grade
Scored higher than 83% 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
421
Elementary
STATE 405
Student : Teacher
7.5:1
56 FTE teachers
STATE 11.4:1
Free / Reduced Lunch
10%
40 students
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
Pre-K143%
Kindergarten287%
Grade 1338%
Grade 2328%
Grade 34410%
Grade 44511%
Grade 55012%
Grade 64511%
Grade 75814%
Grade 87217%

This year's kindergarten class (28) is 61% smaller than its 8th grade class (72).

Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 71% · US 70%
White
21150%
STATE 37% · US 43%
Hispanic
4210%
STATE 35% · US 30%
Black
133%
STATE 14% · US 15%
Asian
13031%
STATE 10% · US 6%
Two+
256%
STATE 3% · US 5%
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
21150%
Female
21050%

Discussions

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Test scores

NJSLA 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
80.8%
NJ avg 53.1% . -1.0pp since 2023
Math
71.9%
NJ avg 41.6% . +5.2pp since 2023

What this means: On the NJSLA, New Jersey's statewide test, about 81 of every 100 students at this school read and write at grade level and about 72 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 1 points since 2023, while math scores are up about 5 points.

NJSLA results by year

School yearEnglish Language ArtsMath
2024-2580.8%71.9%
2023-2481.8%66.7%
% 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 · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
68.7%
composite math + reading, all grades
Predicted
61.0%
based on NJ schools with similar FRL share
Beats by
+7.7pp
above demographic expectation

What this means: About 69% of students here test proficient in math and reading, compared with the roughly 61% 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 Cranbury School

Cranbury School's state test result (68.7% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Cranbury School this school4219.5%68.7%
Woods Road Elementary School
Hillsborough
41010.5%77.3%
Liberty Corner School
Liberty Corner
4293.7%75.3%
Robertsville Elementary School
MORGANVILLE
43814.4%70.7%
Joseph D. Sharp Elementary School
CHERRY HILL
45515.2%78.0%
Woodmont School
PINE BROOK
3663.3%71.8%
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 Cranbury School ranks

Among elementary schools
MeasureThis schoolIn New JerseyIn Middlesex County
State test proficiency
ranked highest first
68.7%#174 of 1,290#15 of 111
Math proficiency
ranked highest first
71.9%#216 of 1,319
▲ 48
#15 of 111
▲ 11
Reading proficiency
ranked highest first
80.8%#81 of 1,319
▼ 19
#4 of 111
▼ 1
Enrollment
ranked largest first
421#632 of 1,562#68 of 130
Students per teacher
ranked fewest first
7.5:1#22 of 1,390#2 of 120
Diversity index
ranked most diverse first
63.9%#353 of 1,392#63 of 121
Free and reduced lunch
ranked highest share first
9.5%#1,260 of 1,481#122 of 128
Enrollment change since 2017-18
ranked steepest decline first
-10.2%#416 of 798#58 of 84
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
421
-37 (-8%) vs 2020
+35% since 1990-91, when it was 312
Student : Teacher
7.5:1
was 8.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2542156.17.5:110% (40)
2023-24438577.7:17% (32)
2022-2344759.17.6:17% (32)
2020-21458558.3:15% (23)
2017-1846954.78.6:16% (26)
2015-16492539.3:15% (24)
2010-115864513.0:13% (19)
2000-015474911.2:11% (4)
1990-91312329.8:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Cranbury School.

Since 2017-18: students down 10% (469 to 421); teachers up 3% (54.7 to 56.1).

About Cranbury School

Cranbury School is a medium-sized elementary school with its address in CRANBURY, New Jersey. It serves 421 students in pre-K through 8.

The local education agency for Cranbury School is Cranbury Township School District.

By race and ethnicity, Cranbury School is 50% White. Other reported shares: 31% Asian, 10% Hispanic, 6% multiracial, and 3% Black. That compares with about 41% White among all Middlesex County residents. By the diversity index, Cranbury School comes in at 64%.

Teacher staffing is 56.1 full-time equivalents, or about 7.5 students per teacher. The 11.4:1 average for elementary schools in New Jersey is higher than this school's figure. Eligibility for subsidized school meals is 10%. It compares with 42% for public schools in Middlesex County.

allk12 grades Cranbury School an A-. The grade compares the school only with New Jersey public elementary schools, because each state gives its own test.

Given its share of students eligible for free or reduced-price lunch, Cranbury School would be expected to post about 61.0%. Its actual average proficiency rate on state tests is 68.7%.

Middlesex County census figures show that median household income is about $111,549, roughly 46% of adults have a four-year degree or more, and the share of residents below the poverty line is 6%. Cranbury School is among the 214 public schools in Middlesex County.

Oak Tree Elementary School is the nearest neighboring public school, about 2.6 miles away. A five-mile radius around the school includes at least 8 other public schools. Cranbury School's average proficiency of 68.7% compares with 49.3% for its nearest scored neighbors.

NCES lists the school's locale as Suburb: Large. That means it sits in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Cranbury School saw enrollment fall 8% between 2020-21 and 2024-25.

The allk12 site hosts a discussion page for Cranbury School covering things like enrollment questions, class placement, and PTA news. Posting is open to anyone connected to the school.

Middlesex County at a glance

View full county profile
Population
871,290
Census ACS
Median income
$111,549
Household, ACS
Bachelor's+
46%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
214
129,255 students

Quick facts

School name
Cranbury School
District
Cranbury Township School District
Address
23 N MAIN ST, CRANBURY, NJ 08512
Phone
(609) 395-1700
County
Middlesex County
Level
Elementary
Grade range
PK–08
Total enrollment
421
Teachers (FTE)
56
Student–teacher ratio
7.5:1
Free and reduced lunch
40 (10%)
Locale
21-Suburb: Large
NCES ID
340354003282
Charter school
No
Virtual school
No

Related schools

Nearby schools

Frequently asked questions

About Cranbury School
How large is Cranbury School?
Cranbury School enrolls approximately 421 students in grades PK-08.
What grades does Cranbury School serve?
Cranbury School serves grades PK-08.
How many students per teacher at Cranbury School?
Approximately 7.5:1 students per teacher at Cranbury School.
What is the racial breakdown of students at Cranbury School?
At Cranbury School, the student body is approximately 50% White, 10% Hispanic, 3% Black, 31% Asian, 6% Two or more.
What district is Cranbury School in?
Cranbury School is part of Cranbury Township School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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