Enrollment
223
Middle
DISTRICT 188 · STATE 578
SCHOOL COMMUNITY·MOUNT ARLINGTON PUBLIC SCHOOL DISTRICT·NCES 341086004394
Mount Arlington Public School
235 HOWARD BOULEVARD, MT ARLINGTON, NJ 07856 · (973) 398-4400 · Morris County
GRADES 03–08MIDDLE21-SUBURBREGULAR SCHOOL223 STUDENTS
B+
allk12 Grade
Scored higher than 70% of New Jersey public middle schools
- B+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 middle schools
Student : Teacher
7.7:1
29 FTE teachers
DISTRICT 9.6:1 · STATE 10.9:1
Free / Reduced Lunch
26%
58 students
DISTRICT 25% · STATE 41%
Community
0
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
| Grade | Students | Share |
|---|---|---|
| Grade 3 | 40 | 18% |
| Grade 4 | 46 | 21% |
| Grade 5 | 33 | 15% |
| Grade 6 | 39 | 17% |
| Grade 7 | 33 | 15% |
| Grade 8 | 32 | 14% |
Student demographics
65%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 66% · STATE 71% · US 70%
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
School pathway
Feeds from
Based on grade levels within Mount Arlington Public School District. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
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START A DISCUSSIONTest scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
69.5%
NJ avg 53.1% . +3.1pp since 2023
Math
49.5%
NJ avg 41.6% . +5.3pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 70 of every 100 students at this school read and write at grade level and about 50 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 3 points since 2023, while math scores are up about 5 points.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 69.5% | 49.5% |
| 2023-24 | 66.4% | 44.2% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
53.7%
composite math + reading, all grades
Predicted
51.9%
based on NJ schools with similar FRL share
Beats by
+1.7pp
above demographic expectation
What this means: About 54% of students here test proficient in math and reading, compared with the roughly 52% 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 Mount Arlington Public School
Mount Arlington Public School's state test result (53.7% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mount Arlington Public School this school | 223 | 26.0% | 53.7% |
| Wood-Ridge Intermediate School WOOD-RIDGE | 256 | 19.5% | 60.8% |
| Thomas Jefferson Middle School ROCKAWAY | 299 | 32.4% | 48.7% |
| Explore Middle School JERSEY CITY | 163 | 27.6% | 70.9% |
| Spotswood Memorial Middle School SPOTSWOOD | 269 | 30.9% | 31.3% |
| Richard Butler School BUTLER | 291 | 34.4% | 48.3% |
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 Mount Arlington Public School ranks
Among middle schools| Measure | This school | In New Jersey | In Morris County |
|---|---|---|---|
| State test proficiency ranked highest first | 53.7% | #147 of 433 | #21 of 32 |
| Math proficiency ranked highest first | 49.5% | #176 of 437 ▲ 11 | #21 of 32 ▲ 3 |
| Reading proficiency ranked highest first | 69.5% | #145 of 437 no change | #18 of 32 ▲ 3 |
| Enrollment ranked largest first | 223 | #411 of 445 | #31 of 32 |
| Students per teacher ranked fewest first | 7.7:1 | #11 of 417 | #2 of 32 |
| Diversity index ranked most diverse first | 64.6% | #112 of 419 | #5 of 32 |
| Free and reduced lunch ranked highest share first | 26.0% | #242 of 436 | #7 of 32 |
| Enrollment change since 2017-18 ranked steepest decline first | -8.2% | #178 of 282 | #15 of 21 |
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 2024-25Enrollment
223
+5 (+2%) vs 2020
+21% since 1990-91, when it was 184
Student : Teacher
7.7:1
was 9.5:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 223 | 29 | 7.7:1 | 26% (58) |
| 2023-24 | 217 | 30 | 7.2:1 | 18% (39) |
| 2022-23 | 199 | 29 | 6.9:1 | 20% (39) |
| 2020-21 | 218 | 23 | 9.5:1 | 18% (40) |
| 2017-18 | 243 | 24 | 10.1:1 | 19% (47) |
| 2015-16 | 228 | 24 | 9.5:1 | 19% (43) |
| 2010-11 | 205 | 14 | 14.6:1 | 14% (29) |
| 2000-01 | 323 | 21 | 15.4:1 | 11% (37) |
| 1990-91 | 184 | 13 | 14.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mount Arlington Public School.
Since 2017-18: students down 8% (243 to 223); teachers up 21% (24 to 29).
About Mount Arlington Public School
Mount Arlington Public School is classified as a middle school. It is located in MT ARLINGTON, New Jersey. Enrolled students number 223 students, in grades 3 through 8. Enrollment is 61% lower than the average for middle schools in New Jersey, which is about 578.
Mount Arlington Public School reports to Mount Arlington Public School District, which has 2 schools and 376 students.
By race and ethnicity, the largest group at Mount Arlington Public School is White (43%). Enrollment also includes 39% Hispanic, 9% Asian, and 6% Black. The school's White share is 25 points below the 68% share among Morris County residents. By the diversity index, Mount Arlington Public School comes in at 65%.
The school reported 29 full-time-equivalent teachers in 2024-25 and a ratio of 7.7:1. The 10.9:1 average for middle schools in New Jersey is higher than this school's figure. Eligible students account for 26% of enrollment in the free or reduced-price lunch program.
allk12 grades Mount Arlington Public School a B+. The grade compares the school only with New Jersey public middle schools, because each state gives its own test.
The allk12 BeatsExpectations score for Mount Arlington Public School is +1.7 points: 53.7% actual, 51.9% predicted.
Morris County census figures show that median household income is about $137,326, a bachelor's degree or higher is held by about 58% of adults, and the share of residents below the poverty line is 3%. A total of 156 public schools operate in Morris County, serving about 72,239 students.
Nixon Elementary School is the public school closest to Mount Arlington Public School, about 0.8 miles away. Inside a five-mile radius, there are at least 8 other public schools. Ranked by average proficiency, Mount Arlington Public School places 1st out of 6 schools in its immediate area.
Its location is classified as Suburb: Large by the National Center for Education Statistics.
Federal data show 218 students in 2020-21 and 223 in 2024-25, a difference of under 3%. Federal data show the ratio falling from 9.5:1 to 7.7:1.
Conversations here can range across science fairs, picture day, and bus routes. Posting is open to anyone connected to the school.
Morris County at a glance
View full county profilePopulation
514,528
Census ACS
Median income
$137,326
Household, ACS
Bachelor's+
58%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
156
72,239 students
Quick facts
Related schools
Other schools in Mount Arlington Public School District
- Edith M. Decker Elementary SchoolElementary · 153 students
Other schools in MT ARLINGTON
- Edith M. Decker Elementary SchoolElementary · 153 students
Nearby schools
- Nixon Elementary School0.8 mi · 261
- Edith M. Decker Elementary School1.2 mi · 153
- Tulsa Trail Elementary School1.7 mi · 215
- Hopatcong High School1.8 mi · 506
- Hopatcong Middle School1.9 mi · 435
- Durban Avenue Elementary School2.1 mi · 286
Frequently asked questions
About Mount Arlington Public SchoolHow many students attend Mount Arlington Public School?
Mount Arlington Public School enrolls approximately 223 students in grades 03-08.
What age range does Mount Arlington Public School serve?
Mount Arlington Public School serves students from grade 03 through grade 08.
How many teachers does Mount Arlington Public School have?
Mount Arlington Public School employs 29 FTE teachers, for a student-to-teacher ratio of 7.7:1.
What is the student diversity at Mount Arlington Public School?
Student demographics at Mount Arlington Public School are roughly 43% White, 39% Hispanic, 6% Black, 9% Asian, 1% Two or more.
What district is Mount Arlington Public School in?
Mount Arlington Public School is part of Mount Arlington Public School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.