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SCHOOL COMMUNITY·MIDDLESEX COUNTY STEM CHARTER SCHOOL·NCES 340079503451

Middlesex County STEM Charter School

613 Carlock Ave, Perth Amboy, NJ 08861 · (848) 242-1818 · Middlesex County
GRADES KG–08ELEMENTARY21-SUBURBCHARTERTITLE IREGULAR SCHOOL739 STUDENTS
C
allk12 Grade
Scored higher than 28% of New Jersey public elementary schools
  • C-Test 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
739
Elementary
STATE 405
Student : Teacher
16.9:1
44 FTE teachers
STATE 11.4:1
Free / Reduced Lunch
75%
555 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
Kindergarten8411%
Grade 110614%
Grade 28912%
Grade 38712%
Grade 49012%
Grade 58311%
Grade 67510%
Grade 7679%
Grade 8588%

This year's kindergarten class (84) is 45% larger than its 8th grade class (58).

Student demographics
40%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 71% · US 70%
White
284%
STATE 37% · US 43%
Hispanic
56276%
STATE 35% · US 30%
Black
11115%
STATE 14% · US 15%
Asian
264%
STATE 10% · US 6%
Two+
61%
STATE 3% · US 5%
Native American
51%
STATE 0% · US 1%
Pacific Islander
10%
STATE 0% · US 0%
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
35047%
Female
38953%

Discussions

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Test scores

NJSLA 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
32.4%
NJ avg 53.1% . -0.7pp since 2023
Math
28.8%
NJ avg 41.6% . -6.8pp since 2023

What this means: On the NJSLA, New Jersey's statewide test, about 32 of every 100 students at this school read and write at grade level and about 29 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 7 points.

NJSLA results by year

School yearEnglish Language ArtsMath
2024-2532.4%28.8%
2023-2433.1%35.6%
% 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
27.0%
composite math + reading, all grades
Predicted
25.1%
based on NJ schools with similar FRL share
Beats by
+1.9pp
above demographic expectation

What this means: About 27% of students here test proficient in math and reading, compared with the roughly 25% 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 Middlesex County STEM Charter School

Middlesex County STEM Charter School's state test result (27.0% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Middlesex County STEM Charter School this school73975.1%27.0%
Philip's Academy Charter School of Paterson
Paterson
68378.3%30.6%
Elmora School No. 12
ELIZABETH
65881.3%31.9%
Rafael Hernandez School
NEWARK
71382.9%11.5%
Park Elementary School
Newark
74782.7%39.7%
West End School
North Plainfield
60076.0%29.3%
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 Middlesex County STEM Charter School ranks

Among elementary schools
MeasureThis schoolIn New JerseyIn Middlesex County
State test proficiency
ranked highest first
27.0%#1,024 of 1,290#93 of 111
Math proficiency
ranked highest first
28.8%#997 of 1,319
▼ 171
#92 of 111
▼ 10
Reading proficiency
ranked highest first
32.4%#1,066 of 1,319
▼ 48
#95 of 111
▼ 5
Enrollment
ranked largest first
739#92 of 1,562#9 of 130
Students per teacher
ranked fewest first
16.9:1#1,363 of 1,390#119 of 120
Diversity index
ranked most diverse first
39.6%#1,064 of 1,392#97 of 121
Free and reduced lunch
ranked highest share first
75.1%#286 of 1,481#20 of 128
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
739
+471 (+176%) vs 2020
Student : Teacher
16.9:1
was 15.8:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2573943.816.9:175% (555)
2023-2457130.818.5:165% (374)
2022-2346229.815.5:159% (274)
2020-212681715.8:154% (145)
Source: NCES Common Core of Data. Rows are the federal collections on file for Middlesex County STEM Charter School.

About Middlesex County STEM Charter School

Middlesex County STEM Charter School is a public elementary school run by Middlesex County STEM Charter School in Perth Amboy, New Jersey. Federal data show 739 students enrolled in kindergarten through 8 in 2024-25. That compares with an average of about 405 students for elementary schools in New Jersey.

Middlesex County STEM Charter School operates as its own local education agency.

About 76% of the student body at Middlesex County STEM Charter School is Hispanic. The remaining students are 15% Black, 4% White, and 4% Asian. Among people living in Middlesex County, the Hispanic share is about 24%. On a 0 to 100 scale, the school's diversity index is 40, compared with 70 nationally.

With 43.8 full-time-equivalent teachers, the student-to-teacher ratio is about 16.9:1. The average for elementary schools in New Jersey is 11.4:1, so this school has more students per teacher. Student poverty is often measured by lunch eligibility; at Middlesex County STEM Charter School, 75% qualify for free or reduced-price lunch. Public schools in Middlesex County average 42%.

Middlesex County STEM Charter School holds a C allk12 Grade, placing it above 28% of New Jersey public elementary schools.

BeatsExpectations compares each school's average proficiency rate across its state test results with a prediction based on free or reduced-price lunch eligibility. For Middlesex County STEM Charter School, the prediction is 25.1% and the result is 27.0%.

In the surrounding county, Middlesex County, median household income comes to about $111,549, about 46% of adults have at least a bachelor's degree, and roughly 6% of residents are in poverty. The county has 214 public schools and about 129,255 students.

The closest school to Middlesex County STEM Charter School is James J. Flynn Elementary School, located about 0.6 miles away. The count of other public schools within five miles is at least 8. Of 7 schools in the immediate area with test results, Middlesex County STEM Charter School ranks 2nd on average proficiency.

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. Middlesex County STEM Charter School is run as a public charter school.

Middlesex County STEM Charter School enrolled 268 in 2020-21 and 739 in 2024-25. Changes in grade configuration can produce shifts of this size. The school's ratio increased from 15.8:1 to 16.9:1 between 2020-21 and 2024-25.

The Middlesex County STEM Charter School discussion page is a place for special education services, counseling, and support programs. Teachers and staff are welcome to share updates too.

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
Middlesex County STEM Charter School
District
Middlesex County STEM Charter School
Address
613 Carlock Ave, Perth Amboy, NJ 08861
Phone
(848) 242-1818
County
Middlesex County
Level
Elementary
Grade range
KG–08
Total enrollment
739
Teachers (FTE)
44
Student–teacher ratio
16.9:1
Free and reduced lunch
555 (75%)
Locale
21-Suburb: Large
NCES ID
340079503451
Charter school
Yes
Virtual school
No

Related schools

Other schools in Perth Amboy
Nearby schools

Frequently asked questions

About Middlesex County STEM Charter School
How large is Middlesex County STEM Charter School?
Middlesex County STEM Charter School enrolls approximately 739 students in grades KG-08.
What age range does Middlesex County STEM Charter School serve?
Middlesex County STEM Charter School serves students from grade KG through grade 08.
What is the student-teacher ratio at Middlesex County STEM Charter School?
The student-to-teacher ratio at Middlesex County STEM Charter School is approximately 16.9:1 (44 FTE teachers).
What is the student diversity at Middlesex County STEM Charter School?
Student demographics at Middlesex County STEM Charter School are roughly 4% White, 76% Hispanic, 15% Black, 4% Asian, 1% Two or more.
What district is Middlesex County STEM Charter School in?
Middlesex County STEM Charter School is part of Middlesex County STEM Charter School.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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