[1] The school is also home to many clubs and organizations such as the NJROTC (but is housed at Santa Ana High School due to the low number of participants from Century High School), Mock Trial, Polynesian Dance Team, Junior Varsity and Co-ed Varsity Cheer-leading teams, a Marching Band, Concert, & Jazz Band, Color Guard and Drum Line groups, Orchestra musicians, Woman's Chorus and Chamber Singers, and the TEACH and e-Business Academy, which is a competitive program and have won district, county, state, and nationwide competitions.

Century High School athletics include: football, basketball, soccer, Polynesian, tennis, track and field, cross country, volleyball, softball, baseball, wrestling and some smaller branches of physical education such as dance, Pep Squad, NJROTC, colorguard.

Century's Pep Squad and Colorguard members are recognized for their achievements in National competition and for their spirit and motivation.

In 2014, Century received a six-year WASC accreditation, almost unheard of for school the federal government considers to not be meeting its AYP.

-Extra curricular- NJROTC, MUN, Broadcasting, Journalism, United Student Body (USB), Office Aide, Sports, etc.