The school's student body was 50.6% (227) Asian, 20.0% (90) White, 13.1% (59) Black, 9.6% (43) two or more races and 6.7% (227) Hispanic.
In the late 1960s, the Wardlaw school moved to a campus off Inman Avenue in the bordering town of Edison.
The Lower, Middle, and Upper Schools require students to be present for attendance at 8:00 AM.
Occasionally, students will have a "dress down day", during which they may wear clothing outside of uniform as long as it is school appropriate.
Students who commit major disciplinary infractions may be referred to the Judiciary Board by the Upper School administration.
Any student who commits a major disciplinary infraction is entitled to a Judiciary Board hearing.
Middle School students have some choice in courses, namely foreign language and yearly electives.
Middle School English and Social Studies are linked by regional focus.
In sixth grade, students study Africa, South America, and Asia.
In all years, grammar, writing skills, and public speaking are developed between the two subject areas.
After this, students must choose to continue one of the languages in levels IA and IB in seventh and eighth grades, respectively.
The school maintains a WiFi Network, several network-accessible laser printers, and internal email to facilitate the students' use of technology for their schoolwork.
All students must fulfill 4 credits in English, 3 in math, 4 in science, 3 in history, 1 in the arts, 0.5 in health, 1.5-2.5 in various electives, and 2-3 in a foreign language (through level 3.)
In addition, Lower School students learn the sopranos recorder in 3rd grade and the ukulele in 4th-5th.
In Middle School, students must take visual arts, choir, and band for all three years.
The middle school also has an auditioned jazz band and select vocal ensemble.
Furthermore, the Upper School offers two annual theatrical productions: a fall play and a spring musical.
In 2024-2025, the Upper School play was, "Bank of Violets," while the spring musical will be, "Newsies".
The Wardlaw-Hartridge Rams[4] in the Greater Middlesex Conference, which comprises public and private high schools in Middlesex County and was established following a reorganization of sports leagues in Northern New Jersey by the New Jersey State Interscholastic Athletic Association (NJSIAA).