Irvington High School's Crusader Battalion is the oldest
Junior Reserve Officers' Training Corps (JROTC) program in the state of New Jersey. Approximately 200 students participate in the program, of whom one third will continue on to enlist in the military, while the remaining two-thirds will move on to college or a job after graduation.
Athletics The Irvington High School Blue Knights compete in the
Super Essex Conference, which is comprised of public and private high schools in Essex County and operates under the supervision of the
New Jersey State Interscholastic Athletic Association (NJSIAA). Prior to the 2010 reorganization, the school had competed in the
Watchung Conference, which consisted of public and private high schools in Essex County,
Hudson County and
Union County in northern New Jersey. With 1,058 students in grades 10-12, the school was classified by the NJSIAA for the 2019–20 school year as Group III for most athletic competition purposes, which included schools with an enrollment of 761 to 1,058 students in that grade range. The football team competes in the Liberty Red division of the
North Jersey Super Football Conference, which includes 112 schools competing in 20 divisions, making it the nation's biggest football-only high school sports league. The school was classified by the NJSIAA as Group V North for football for 2024–2026, which included schools with 1,317 to 5,409 students. The baseball team won the Greater Newark Tournament in 1933, 1938-1940 and 1947. The program's five titles are the fourth-most in tournament history. The girls' basketball team won the Group IV state championship in 1985 (defeating
Washington Township High School in the tournament final) and 1986 (vs.
Hightstown High School). The 1985 team won the Group IV title with a 58-53 win against Washington Township in the championship game played at the
Brendan Byrne Arena. The 1986 team finished the season at 27-4 after winning their second straight Group IV title with a 71-61 win against Hightstown in the championship game played at the
Rutgers Athletic Center. The 1985 and 1986 team roster included Tammy Hammond, who was named the 1986 USA Today National High School Player of the Year, and Dana Owens, who is known today as actress and singer,
Queen Latifah. The boys' basketball team won the Group IV state championship in 1993 (defeating runner-up
Shawnee High School in the tournament final) and was declared as winner of the North III regional in 2020, after the group finals had been canceled due to COVID. The 1993 team won the Group IV title with a 71-67 win against Shawnee in the tournament final. The boys' track team won the Group III indoor track championship in 2008 (as co-champion). The team won the Group III indoor relay state championship in 2009 (as co-champion with
West Windsor-Plainsboro High School North) and the girls track team won the Group III title in 2012 (also as co-champion with West Windsor-Plainsboro High School North). The football team won their first sectional championship in 2021 after defeating
Middletown High School South in the North II Group IV tournament finals and won the 2021 North Group IV regional championship after beating previously undefeated
Northern Highlands by a score of 19-14 to finish the season with a record of 11-2. The 2022 girls' flag football team won the high school state championship with a 33-6 win against
Hawthorne High School in the finals to finish the season undefeated. ==Administration==