The Forest High School holds three sporting carnivals each year: Athletics, Cross Country and Swimming.
- Our Swimming Carnival is held in Term 1 at the Warringah Aquatic Centre.
- Our Cross Country Carnival is held late in Term 1 on our school oval and surrounding area
- Our Athletics Carnival is held in Term 1 at the Narrabeen Sports Academy
Event winners proceed onto the North Shore Zone and Regional Carnivals which are held in Term 2.
