1. Be there: Get involved in your children’s lives and activities.
2. Open the lines of communication and keep them wide open.
3. Set a good example! Actions are more persuasive than words.
4. Set rules and expect children to follow them.
5. Monitor your children’s whereabouts.
6. Maintain family rituals, such as eating dinner together.
7. Incorporate religious and spiritual practices into family life.
8. Get Dad engaged, and keep him engaged.
9. Engage the larger family of your children’s friends, teachers, classmates, neighbors and community.
Source: Joseph A. Califano’s, How to Raise a Drug-Free Kid: The Straight Dope for Parents. Califano worked in the prevention field for several decades. From 1977 to 1979 he was the United States secretary of Health, Education and Welfare under President Lyndon Johnson.