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SCHOOL COMMUNITY·SCHOOL DISTRICT OF THE CHATHAMS·NCES 340000406014

Chatham High School

255 LAFAYETTE AVENUE, CHATHAM, NJ 07928 · (973) 457-2505 · Morris County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,205 STUDENTS
Enrollment
1,205
High
DISTRICT 591 · STATE 929
Student : Teacher
12.1:1
100 FTE teachers
DISTRICT 10.6:1 · STATE 12.7:1
Free / Reduced Lunch
2%
29 students
DISTRICT 3% · STATE 41%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
282
Grade 10
312
Grade 11
298
Grade 12
313
Student demographics
White
86772%
DISTRICT 69% · STATE 37%
Hispanic
867%
DISTRICT 7% · STATE 35%
Black
181%
DISTRICT 2% · STATE 14%
Asian
16113%
DISTRICT 16% · STATE 10%
Two+
726%
DISTRICT 7% · STATE 3%
Native American
10%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
61851%
Female
58749%

Discussions

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Test scores

NJSLA 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
70.4%
NJ avg 53.1% . -6.9pp since 2023
Math
36.6%
NJ avg 41.6% . -28.0pp since 2023
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
64.3%
composite math + reading, all grades
Predicted
64.8%
based on NJ schools with similar FRL share
Beats by
-0.6pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,205
-70 (-5%) vs 2017
Student : Teacher
12.1:1
was 11.8:1
% White
72%
was 83%
% Hispanic
7%
was 4%
% Black
1%
was 1%
% Asian
13%
was 10%
Source: NCES Common Core of Data

About Chatham High School

Set in CHATHAM, New Jersey, Chatham High School is an average-sized 9-12 campus, one of the schools within School District of the Chathams. It hosts 1,205 students across grades 9 through 12. Compared to the state average of about 929 students per school, that is 30% above typical.

Chatham High School is one of 6 schools operated by School District of the Chathams, a district that instructs 3,548 students overall.

On the student-mix side, Chatham High School shows that White students make up the majority at 72%. The remainder reads as 13% Asian, 7% Hispanic, 6% multiracial. That mix tracks the wider county fairly closely.

Looking at school resources, On paper, Chatham High School has 100 full-time-equivalent teachers, translating to a class-load average of around 12.1:1. The state averages about 12.7:1, putting this campus right in line with peers. Around 2% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. Set against Morris County (around 19%), the school's rate is somewhat below typical.

Adjusting for the school's free-and-reduced-lunch share, Chatham High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 64.8%; this one delivers 64.3%.

In the broader community, Morris County reports that median household income runs about $137,326, 58% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 3%. In all, Morris County runs 156 public schools (combined enrollment of about 72,239 students), of which Chatham High School is one.

Nearest neighbor: Lafayette Avenue School, around 0.1 miles off. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Chatham High School at 8th of 9; the average score across the group is 76.3%.

The campus sits in a residential setting.

Looking at the recent track record. Looking back 7 years, enrollment at Chatham High School has fell 5%, going from 1,275 students in 2018 to 1,205 in 2025. The White share of enrollment shrank from 83% to 72% over that span.

Inside the community feed, the feed for Chatham High School typically covers sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.

Morris County at a glance

View full county profile
Population
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

School name
Chatham High School
District
School District of the Chathams
Address
255 LAFAYETTE AVENUE, CHATHAM, NJ 07928
Phone
(973) 457-2505
County
Morris County
Level
High
Grade range
09–12
Total enrollment
1,205
Teachers (FTE)
100
Student–teacher ratio
12.1:1
Free/Reduced lunch
29 (2%)
Locale
21-Suburb: Large
NCES ID
340000406014
Charter school
No
Virtual school
No

Related schools

Other schools in School District of the Chathams
Other schools in CHATHAM
Nearby schools

Frequently asked questions

About Chatham High School
What is the total enrollment at Chatham High School?
Chatham High School enrolls approximately 1,205 students in grades 09-12.
Is Chatham High School an elementary, middle, or high school?
Chatham High School is a high school covering grades 09-12.
How many teachers does Chatham High School have?
Chatham High School employs 100 FTE teachers, for a student-to-teacher ratio of 12.1:1.
What is the racial breakdown of students at Chatham High School?
At Chatham High School, the student body is approximately 72% White, 7% Hispanic, 1% Black, 13% Asian, 6% Two or more.
What district is Chatham High School in?
Chatham High School is part of School District of the Chathams.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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