Cinnaminson High School is the four-year public high school for students in the township. It offers dozens of sports, activities and clubs for students. The student newspaper of CHS is called The Ship's Log and is available online. The school's athletic fields include a football stadium, baseball and softball fields and brand new soccer fields.
- Fax: 856-829-7777
- Handicap Accessible: There is a ramp.
- Public/Private: Public
- Parking: Free lot
- Grade levels: 9-12
- Special education: Yes
- Uniforms: No
- Features: Auditorium/stage, Cafeteria, Computer lab, Infirmary, Library, Science lab, Sports facilities
- Student clubs: Student Government, Amnesty International, Battle of the Books, Chamber Choir, Cultural Contrast, Ebony Club, Jazz Band, Photo Club, Ships Log Newspaper, Youth in Government Program
- Sports teams: Cross Country, Cheerleading, Field Hockey, Football, Soccer, Soccer, Tennis, Volleyball, Basketball, Bowling, Swimming, Winter Track, Wrestling, Baseball, Golf, Lacrosse, Softball, Track and Field