Enrollment
342
Middle
DISTRICT 404 · STATE 578
SCHOOL COMMUNITY·MENDHAM TOWNSHIP SCHOOL DISTRICT·NCES 340993004322
Mendham Township Middle School
16 WASHINGTON VALLEY ROAD, BROOKSIDE, NJ 07926 · (973) 543-7107 · Morris County
GRADES 05–08MIDDLE41-RURALREGULAR SCHOOL342 STUDENTS
A+
allk12 Grade
Scored higher than 99% of New Jersey public middle schools
- A+Test 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
Student : Teacher
9.6:1
36 FTE teachers
DISTRICT 9.5:1 · STATE 10.9:1
Free / Reduced Lunch
1%
3 students
DISTRICT 1% · 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 5 | 87 | 25% |
| Grade 6 | 100 | 29% |
| Grade 7 | 77 | 23% |
| Grade 8 | 78 | 23% |
Student demographics
33%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 30% · 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 Mendham Township School District. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
Be the first to start a discussion at Mendham Township Middle School.
START A DISCUSSIONTest scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
97.2%
NJ avg 53.1% . -1.2pp since 2023
Math
89.0%
NJ avg 41.6% . -1.0pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 97 of every 100 students at this school read and write at grade level and about 89 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 down about 1 points.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 97.2% | 89.0% |
| 2023-24 | 98.4% | 90.0% |
% 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
OUTPERFORMING
Top 10% of NJ schools after controlling for student poverty
Actual proficiency
86.7%
composite math + reading, all grades
Predicted
65.7%
based on NJ schools with similar FRL share
Beats by
+21.0pp
above demographic expectation
What this means: About 87% of students here test proficient in math and reading, well above the roughly 66% typical for New Jersey schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 21 points, placing it in New Jersey's top 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 Mendham Township Middle School
Mendham Township Middle School's state test result (86.7% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mendham Township Middle School this school | 342 | 0.9% | 86.7% |
| Holdrum Middle School RIVER VALE | 347 | 0.9% | 67.9% |
| Franklin Avenue Middle School Franklin Lakes | 369 | 3.3% | 61.5% |
| Pearl R. Miller Middle School KINNELON | 378 | 4.2% | 64.3% |
| Cedar Drive Middle School COLTS NECK | 319 | 3.4% | 69.0% |
| Black River Middle School Chester | 352 | 5.7% | 64.4% |
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 Mendham Township Middle School ranks
Among middle schools| Measure | This school | In New Jersey | In Morris County |
|---|---|---|---|
| State test proficiency ranked highest first | 86.7% | #1 of 433 | #1 of 32 |
| Math proficiency ranked highest first | 89.0% | #2 of 437 ▼ 1 | #1 of 32 no change |
| Reading proficiency ranked highest first | 97.2% | #1 of 437 no change | #1 of 32 no change |
| Enrollment ranked largest first | 342 | #348 of 445 | #23 of 32 |
| Students per teacher ranked fewest first | 9.6:1 | #96 of 417 | #13 of 32 |
| Diversity index ranked most diverse first | 33.2% | #369 of 419 | #29 of 32 |
| Free and reduced lunch ranked highest share first | 0.9% | #428 of 436 | #32 of 32 |
| Enrollment change since 2017-18 ranked fastest growth first | +2.4% | #98 of 122 | #5 of 9 |
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
342
+29 (+9%) vs 2020
+85% since 1990-91, when it was 185
Student : Teacher
9.6:1
was 7.8:1
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 | 342 | 35.5 | 9.6:1 | 1% (3) |
| 2023-24 | 320 | 36 | 8.9:1 | 2% (5) |
| 2022-23 | 301 | 37.8 | 8.0:1 | 1% (3) |
| 2020-21 | 313 | 40 | 7.8:1 | 1% (3) |
| 2017-18 | 334 | 36.1 | 9.3:1 | 0% (0) |
| 2015-16 | 372 | 37 | 10.1:1 | 0% (0) |
| 2010-11 | 446 | 29 | 15.4:1 | 1% (3) |
| 2000-01 | 345 | 34 | 10.2:1 | 0% (0) |
| 1990-91 | 185 | 21 | 8.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mendham Township Middle School.
Since 2017-18: students up 2% (334 to 342); teachers down 2% (36.1 to 35.5).
About Mendham Township Middle School
Students in BROOKSIDE, New Jersey, attend Mendham Township Middle School, a low-enrollment middle-grades school. It covers grades 5 through 8, with a total enrollment of 342 students. Statewide, middle schools in New Jersey average about 578 students each.
Across its 2 schools, Mendham Township School District enrolls 808 students. Mendham Township Middle School is one of those schools.
The large majority of students at Mendham Township Middle School, 81%, are White. The rest of enrollment is 8% Asian, 7% Hispanic, and 3% multiracial. Among all residents of Morris County, the White share is about 68%. The chance that two students picked at random at Mendham Township Middle School belong to different racial or ethnic groups, known as the diversity index, is 33%.
The school reports 35.5 full-time-equivalent teachers, which works out to about 9.6 students per teacher. For comparison, middle schools in New Jersey average 10.9:1. Free or reduced-price lunch eligibility covers 1% of students. Across public schools in Morris County, the average is 19%.
Measured against New Jersey public middle schools, Mendham Township Middle School receives an A+. 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 allk12's BeatsExpectations measure, Mendham Township Middle School is among the top 10% of schools in New Jersey. Predicted: 65.7%. Actual: 86.7%.
County data help place the school in context: in Morris County, median household income is about $137,326, roughly 58% of adults have a four-year degree or more, and the share of residents below the poverty line is 3%. The public schools of Morris County number 156 and enroll about 72,239.
The nearest public school is Mendham Township Elementary School, at about 1.2 miles. There are at least 8 other public schools within five miles. On state test proficiency, Mendham Township Middle School ranks 1st in a group of 6 nearby schools.
The school's setting, by NCES definition, is Rural: Fringe: in rural territory close to an urban area.
From 2020-21 to 2024-25, Mendham Township Middle School went from 313 students to 342. The ratio was 7.8:1 in 2020-21 and 9.6:1 in 2024-25.
Threads on this page can be about enrollment questions, class placement, and PTA news. Alumni can share how the school prepared them.
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 Mendham Township School District
- Mendham Township Elementary SchoolElementary · 466 students
Other schools in BROOKSIDE
- Mendham Township Elementary SchoolElementary · 466 students
Nearby schools
- Mendham Township Elementary School1.2 mi · 466
- Shongum School1.8 mi · 482
- West Morris Mendham High School2.6 mi · 1,012
- Hillcrest School2.8 mi · 251
- Mountain View School3.0 mi · 208
- Frelinghuysen Middle School3.0 mi · 1,078
Frequently asked questions
About Mendham Township Middle SchoolWhat is the total enrollment at Mendham Township Middle School?
Mendham Township Middle School enrolls approximately 342 students in grades 05-08.
What age range does Mendham Township Middle School serve?
Mendham Township Middle School serves students from grade 05 through grade 08.
What is the student-teacher ratio at Mendham Township Middle School?
The student-to-teacher ratio at Mendham Township Middle School is approximately 9.6:1 (36 FTE teachers).
What is the racial breakdown of students at Mendham Township Middle School?
At Mendham Township Middle School, the student body is approximately 81% White, 7% Hispanic, 1% Black, 8% Asian, 3% Two or more.
Is Mendham Township Middle School public or private?
Mendham Township Middle School is a public K-12 school, overseen by Mendham Township School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.