Alcohol was used by the clear majority of leavers, and mostly at risky levels, with more than half drinking at least 11 standard drinks a day. Of the 25% of leavers who said their parents provided them with alcohol at the celebrations, 89% drank at levels considered risky for adults by the National Health and Medical Research Council (NHMRC). Young people who perceived their parents would approve of them consuming more than 4 standard drinks in a single sitting reported heavier alcohol use. Conversely, young people drank less at Leavers if they had discussed strategies with their parents about how to keep safe while drinking.