[1] The district announced plans in December 1960 for a junior-senior high school facility that would serve an enrollment of 860 students and would be constructed on a site covering 40 acres (16 ha).

Recent adopted journalists include Pulitzer Prize-nominated photographer Thomas E. Franklin, ESPN-online writer Bob Klapisch, and stand-up comic and The Record columnist Bill Ervolino.

[15] Emerson's Musical Theatre program has been recognized by The Metros, Paper Mill Playhouse and the New Jersey Metropolitan chapter of The Cappies.

[16][17][18] Prior to the NJSIAA's realignment that took effect in the fall of 2010, Emerson was a member of the Bergen County Scholastic League (BCSL).

Woods' 602nd career victory, achieved in February 2011 with a win against Nutley High School, made him the winningest coach in New Jersey wrestling history.

[29] Two runs scored in the first inning provided the margin needed for a 2–0 victory in the tournament finals against Middlesex to win the 1982 Group I state title.

[30] The 2000 team finished the season with a record of 26-5 after winning the Group I title by defeating Pitman by a score of 5–4 in the championship game.

[34][35] The team won the Group I state championship in 2019, defeating Glassboro High School by a score of 8–5 in the final game of the tournament.

[39] The team again made it to the section final in 2004, but their efforts fell short with a 4–1 loss to Mountain Lakes High School.