Kogarah High School holds three major carnivals annually:
- Athletics;
- Swimming; &
- Cross Country.
These days are an excellent celebration of Kogarah High Schools' sporting spirit. All students are expected to arrive at school as per normal, and then will travel to the designated venue as arranged by the school. It is an expectation of the school that the students will participate in the activities organised.
Kogarah High School will supply a team to compete in all three major carnivals (Athletics, swimming and Cross Country) organised by the St. George Zone School Sports Association.
