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SCHOOL COMMUNITY·WOODBRIDGE TOWNSHIP SCHOOL DISTRICT·NCES 341812003682

Iselin Middle School

900 WOODRUFF STREET, ISELIN, NJ 08830 · (732) 602-8450 · Middlesex County
GRADES 06–08MIDDLE21-SUBURBREGULAR SCHOOL794 STUDENTS
B+
allk12 Grade
Scored higher than 74% of New Jersey public middle schools
  • BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • A-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 middle schools

Enrollment
794
Middle
DISTRICT 642 · STATE 578
Student : Teacher
11.0:1
72 FTE teachers
DISTRICT 9.7:1 · STATE 10.9:1
Free / Reduced Lunch
36%
287 students
DISTRICT 43% · STATE 41%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 628536%
Grade 725432%
Grade 825532%
Student demographics
58%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 74% · STATE 71% · US 70%
White
11915%
DISTRICT 26% · STATE 37% · US 43%
Hispanic
13918%
DISTRICT 33% · STATE 35% · US 30%
Black
486%
DISTRICT 12% · STATE 14% · US 15%
Asian
48161%
DISTRICT 27% · STATE 10% · US 6%
Two+
71%
DISTRICT 2% · 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
42153%
Female
37347%

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Test scores

NJSLA 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
62.5%
NJ avg 53.1% . +4.1pp since 2023
Math
51.6%
NJ avg 41.6% . +0.3pp since 2023

What this means: On the NJSLA, New Jersey's statewide test, about 63 of every 100 students at this school read and write at grade level and about 52 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores are up about 4 points since 2023, while math scores have held steady.

NJSLA results by year

School yearEnglish Language ArtsMath
2024-2562.5%51.6%
2023-2458.4%51.3%
% 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
52.3%
composite math + reading, all grades
Predicted
46.4%
based on NJ schools with similar FRL share
Beats by
+6.0pp
above demographic expectation

What this means: About 52% of students here test proficient in math and reading, compared with the roughly 46% 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 Iselin Middle School

Iselin Middle School's state test result (52.3% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Iselin Middle School this school79436.1%52.3%
Central Middle School
Parsippany
75525.2%57.6%
Crossroads North Middle School
MONMOUTH JUNCTION
93518.9%61.6%
Crossroads South Middle School
MONMOUTH JUNCTION
81217.0%65.2%
Herbert Hoover Middle School
EDISON
1,06044.3%40.1%
Lewis F. Cole Middle School
FORT LEE
1,22725.1%63.6%
Matched among New Jersey middle 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 Iselin Middle School ranks

Among middle schools
MeasureThis schoolIn New JerseyIn Middlesex County
State test proficiency
ranked highest first
52.3%#159 of 433#9 of 39
Math proficiency
ranked highest first
51.6%#162 of 437
▼ 18
#10 of 39
no change
Reading proficiency
ranked highest first
62.5%#206 of 437
▲ 4
#12 of 39
no change
Enrollment
ranked largest first
794#95 of 445#17 of 40
Students per teacher
ranked fewest first
11.0:1#233 of 417#21 of 39
Diversity index
ranked most diverse first
57.6%#187 of 419#26 of 40
Free and reduced lunch
ranked highest share first
36.1%#203 of 436#24 of 40
Enrollment change since 2017-18
ranked fastest growth first
+11.4%#44 of 122#6 of 14
Ranked against other public middle 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
794
-66 (-8%) vs 2020
+46% since 1990-91, when it was 542
Student : Teacher
11.0:1
was 12.5:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-257947211.0:136% (287)
2023-248667112.2:136% (314)
2022-238497012.1:131% (264)
2020-218606912.5:130% (254)
2017-1871363.511.2:132% (225)
2015-166946410.8:134% (235)
2010-116254813.0:133% (207)
2000-017065612.6:118% (128)
1990-915424212.9:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Iselin Middle School.

Since 2017-18: students up 11% (713 to 794); teachers up 13% (63.5 to 72).

About Iselin Middle School

Families in ISELIN, New Jersey, are served by Iselin Middle School, a medium-sized middle school. The school reports 794 students in grades 6 through 8. The typical figure for middle schools in New Jersey is about 578 students.

Iselin Middle School is among 24 schools run by Woodbridge Township School District, which serves 13,869 students.

Iselin Middle School is 61% Asian by enrollment. The next largest groups are 18% Hispanic, 15% White, and 6% Black. County-wide, 26% of Middlesex County residents are Asian. Pick two students at random and there is a 58% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.

The school employs the equivalent of 72 full-time teachers, for a ratio of 11.0:1. That is close to the 10.9:1 average for middle schools in New Jersey. The free or reduced-price lunch rate at Iselin Middle School is 36%.

Measured against New Jersey public middle schools, Iselin Middle School receives a B+. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.

On the allk12 BeatsExpectations measure, Iselin Middle School is 6.0 points above the average proficiency rate on state tests predicted for its free or reduced-price lunch share: 52.3% actual, 46.4% predicted. That is outside both the top and bottom 10% in New Jersey.

Middlesex County has these Census figures: the median household income is $111,549, the share of adults with a bachelor's degree or higher is 46%, and about 6% of people live in poverty. In all, Middlesex County has 214 public schools and roughly 129,255 students.

John F. Kennedy Memorial High School is the nearest neighboring public school, about 0.2 miles away. Within five miles of Iselin Middle School, there are at least 8 other public schools. Among its closest neighbors with test data, Iselin Middle School is 2nd of 8 on proficiency.

Under the NCES locale system, Iselin Middle School is Suburb: Large.

Enrollment has fallen by 66 students since 2020-21, to 794. Students per teacher fell from 12.5 in 2020-21 to 11.0 in 2024-25.

Threads on this page can be about sports tryouts, band and choir, and theater. Anyone with firsthand experience at this school can post or comment.

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
Iselin Middle School
District
Woodbridge Township School District
Address
900 WOODRUFF STREET, ISELIN, NJ 08830
Phone
(732) 602-8450
County
Middlesex County
Level
Middle
Grade range
06–08
Total enrollment
794
Teachers (FTE)
72
Student–teacher ratio
11.0:1
Free and reduced lunch
287 (36%)
Locale
21-Suburb: Large
NCES ID
341812003682
Charter school
No
Virtual school
No

Related schools

Other schools in Woodbridge Township School District
Other schools in ISELIN
Nearby schools

Frequently asked questions

About Iselin Middle School
How large is Iselin Middle School?
Iselin Middle School enrolls approximately 794 students in grades 06-08.
What age range does Iselin Middle School serve?
Iselin Middle School serves students from grade 06 through grade 08.
What is the student-teacher ratio at Iselin Middle School?
The student-to-teacher ratio at Iselin Middle School is approximately 11.0:1 (72 FTE teachers).
How diverse is Iselin Middle School?
Iselin Middle School reports a student body of 15% White, 18% Hispanic, 6% Black, 61% Asian, 1% Two or more.
Who oversees Iselin Middle School?
Iselin Middle School is overseen by Woodbridge Township School District in Middlesex County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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