Western Australia's Police Commissioner has likened parents who supply alcohol to their children as drug dealers.

Karl O'Callaghan made the comments at a school in Perth while launching 'Ocsober', a fundraising effort to encourage people to give up alcohol for the month of October.

Addressing year 6 students during the launch, the Commissioner says alcohol continues to be the most abused drug in Western Australia.

"If alcohol is a drug, then let me tell you that your parents are the primary dealers of that drug because we know from research that most teenagers in Western

Australia get their alcohol from their parents," he said.

"Their parents give it to them without knowing the impact it has on their brains and without knowing the impact it has on their bodies.

"And, if we want to make a difference to binge drinking, we have to start with educating kids and parents."

Mr O'Callaghan also renewed his call on federal authorities to ban alcohol advertising during televised sports broadcasts .

"All of these kids are able to watch the footy final [this weekend] and all of these kids will be able to watch alcohol advertising during live sport because alcohol advertising is permitted during live sport in Australia," he said.

"If you're going to change the culture, you've got to change the messages you send to our kids, and when I asked how many of these kids were going to watch the football on the weekend, all of them without exception put their hands up."

"I don't think we've got any hope of changing the culture with these young people, unless we're prepared to limit their exposure to messages about alcohol."

Donations for Ocsober will go towards continuing Life Education's alcohol and drug awareness programs which run throughout WA's primary schools.