Elementary · Regular · Grades PK to 2

Mary Kay McMillin Early Childhood Center, Berkeley Heights, NJ

Mary Kay McMillin Early Childhood Center is a public elementary school in Berkeley Heights, part of Berkeley Heights School District. It enrolled 256 students in 2024-25, with 11.6 students per full-time teacher.

Enrollment and teachers

Students: 256
Teachers (FTE): 22.0
Students per teacher: 11.6
Grades: PK to 2

This school's ratio is 0.9 higher than the district figure of 10.7. The New Jersey average across schools is 11.7. Ratios count all teachers, including specialists, so they are lower than typical class sizes.

This school11.6

District10.7

New Jersey11.7

United States15.3

School details

Address: 651 Mountain Avenue, Berkeley Heights, NJ 07922
Phone: (908)464-5583
District: Berkeley Heights School District
County: Union County
Level: Elementary
Type: Regular
Status: Open
Charter: No
Virtual: No
Locale: Suburb: Large
NCES school ID: 340153000203

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: 5
Reduced-price lunch: 1
Free or reduced-price lunch: 62.3% 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

Other elementary schools in Berkeley Heights School District

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.