High · Regular · Grades 9 to 12

Chatham High School, Chatham, NJ

Chatham High School is a public high school in Chatham, part of School District of the Chathams. It enrolled 1,205 students in 2024-25, with 12.2 students per full-time teacher.

Enrollment and teachers

Students: 1,205
Teachers (FTE): 99.0
Students per teacher: 12.2
Grades: 9 to 12

This school's ratio is 1.2 higher than the district figure of 11.0. The New Jersey average across schools is 11.7. Ratios count all teachers, including specialists, so they are lower than typical class sizes.

This school12.2

District11.0

New Jersey11.7

United States15.3

School details

Address: 255 Lafayette Avenue, Chatham, NJ 07928
Phone: (973)457-2505
District: School District of the Chathams
County: Morris County
Level: High
Type: Regular
Status: Open
Charter: No
Virtual: No
Locale: Suburb: Large
NCES school ID: 340000406014

Location from NCES coordinates. Map data OpenStreetMap contributors. Open larger map

School meals

Counts of students eligible for free or reduced-price lunch, as reported to NCES.

Free lunch: 16
Reduced-price lunch: 13
Free or reduced-price lunch: 292.4% of enrollment.
Community Eligibility Provision: No

Schools in the Community Eligibility Provision (CEP) serve free meals to all students, so their free lunch counts often reflect direct certification or total enrollment. Free and reduced lunch shares are not comparable between CEP and non-CEP schools.

Related schools

We publish official enrollment and staffing data, not ratings or test scores.

Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.