[2] The Velvet Underground played their first paid concert in the high school auditorium on December 11, 1965.

[5][6] The Summit High School Hilltoppers[2] compete in the Union County Interscholastic Athletic Conference, which is comprised of public and private high schools in Union County and was established following a reorganization of sports leagues in Northern New Jersey by the New Jersey State Interscholastic Athletic Association[7] Prior to the NJSIAA's 2010 realignment, the school had competed as part of the Iron Hills Conference, which included public and private high schools in Essex, Morris and Union counties.

[9] The football team competes in Division 3 of the Big Central Football Conference, which includes 60 public and private high schools in Hunterdon, Middlesex, Somerset, Union and Warren counties, which are broken down into 10 divisions by size and location.

[13] Ninth graders have a choice of a Global Studies course which will meet for two periods each day; it teaches literacy skills with literature in a historical context and combines freshman English and world history.

English 1 is also offered, as a one-period course, and it will teach literacy skills including reading and writing and focuses on putting text in a thematic or literary context.

[14] Journalism is taught as an elective one-semester course and includes entry-level exposure to the SHS student newspaper.

"[15] Among the retirees include English teacher novelist Robert Kaplow whose bestselling novel Me and Orson Welles was made into a film.

School board officials suggested that a two-year algebra sequence will lead to "increased participation and greater success," and was phased in from 2010 through 2012.