Newark Academy is a coeducational private day school located in Livingston, Essex County, in the U.S. state of New Jersey, serving students in sixth through twelfth grades.

The school's student body was 43.4% (284) White, 30.0% (196) Asian, 11.8% (77) two or more races, 10.1% (66) Black, 4.6% (30) Hispanic and 0.2% (1) Native Hawaiian / Pacific Islander.

[16] The Academy was founded in 1774 by Alexander MacWhorter, a prominent cleric and advisor to George Washington, and was located on Market Street in Downtown Newark.

The Upper School Academic Center, or the "New Wing", opened in fall 2012 and encompasses 18,500 square feet (1,720 m2) of new construction and 2,500 square feet (230 m2) of renovated space and includes 13 classrooms, two science labs, a multi-purpose area, several small-group collaborative learning spaces and a commons area.

[17] As part of Experiential learning programs, middle schoolers of every grade go on a series of trips/excursions at the end of the year, called "Capstone" to such destinations as the United Nations.

He previously served as resident director for School Year Abroad in Rennes, France.

Austin's team of administrators includes Cathy Atwell, upper school principal; Tom Ashburn, middle school principal; Pegeen Galvin, dean of students; and Traci Osterhagen Brock, dean of faculty.

[22] MSON offers many college-level and elective classes such as "Are We Rome?," "Creative Writing in the Digital Age" and "Positive Psychology.

Courses in the past have focused on feminism, and American modern judicial history, amongst other subjects.

[22] Newark Academy is the only independent school in New Jersey that offers both the Advanced Placement (AP) and International Baccalaureate Diploma (IB) programs.

[24][10] The College Board's Advanced Placement Program (AP) offers high school students the opportunity to do college-level work.

Successful achievement on the culminating exams may result in credit or advanced placement upon matriculation to college.

[39] The 2021 team won the program's record 27th state title with a 5-0 win in the Non-Public tournament final against Pingry School.

[41] The boys' soccer team won the Non-Public Group B state championship in 2007 (defeating runner-up Holy Cross Preparatory Academy in the final of the tournament) and 2015 (vs. Moorestown Friends School).

[42] The 2007 team won the Non-Public B state title with a 1-0 win against Holy Cross in the championship game.

[44] The volleyball team won the program’s first-ever NJSIAA Non-Public B state championship in 2021, defeating Immaculate Conception High School in the finals.

[45][46] From 1984 to 1989, Newark Academy was the site of the Livingston Open, a Grand Prix tennis circuit tournament.