After two months of hard fought competition throughout the state, which saw 3,000 students from over 150 schools participate, eighteen schools have won the right to represent their WAFL club in the 2008 Smarter than Smoking Cup finals.The STS Cup is played in metropolitan WAFL zones and country regions, each producing a champion school representing their WAFL club, who then progress to quarter finals, semi finals and ultimately the grand final which will be played as the curtain raiser to the West Coast Eagles v Hawthorn match on Sunday 24 August.
The Smarter than Smoking Cup competition targets students is years 8 and 9 and is coordinated by the Smarter than Smoking Development Officers.
| WAFL Club | Metropolitan Champion | Country Champion |
| Claremont | Hale School | St Joseph's College |
| East Fremantle | Willetton SHS | Strathalbyn Christian College |
| East Perth | Trinity College | Manjimup SHS |
| Peel Thunder | Comet Bay College | Eaton Community College |
| Perth | Wesley College | Northam SHS |
| South Fremantle | Gilmore College | Narrogin SHS |
| Subiaco | Warwick SHS | Esperance SHS |
| Swan Districts | Mazenod College | Bunbury Cathedral Grammar School |
| West Perth | Mater Dei College | Merrdedin SHS |
Smarter than Smoking Cup Finals Timeline
Week Commencing Monday July 21 – Metropolitan v Country Champion
Week Commencing Monday July 28 – Elimination Final (East Fremantle v Perth)
Week Commencing Monday August 4 – Quarter Finals
Week Commencing Monday August 11 – Semi Finals
Sunday August 24 – Grand Final (Curtain Raiser to West Coast Eagles v Hawthorn)
