Kincumber Public School is affiliated with the NSW Primary Schools Sports Association (NSWPSSA).
"Boys and girls from the age of 8 years to 13 years 5 months in the year of competition, (Primary eligibility) attending Public Primary Schools and other schools by invitation, after affiliation, within the State of New South Wales shall be eligible to participate in competitions promoted by the Association."
The school enters teams in various knockout competitions organised by the PSSA as well as holding swimming, cross country and athletics carnivals at school, district and state level. In addition, students can trial to represent the district in various sports as well.
The Southern Central Coast PSSA is the district that students from Kincumber Public School represent.
