Read books about virtuous characters. Point out neighbors or community leaders who display sound values. Demonstrate values at home. Your efforts will not only inculcate good character, they'll underscore the value you place on moral development. Be a good role model.
Kids learn from watching their parents.
Your habits and attitudes toward drugs and alcohol will influence them far more than any school program or pamphlet. Help your child deal with peer pressure. Role-play a shy child standing up for herself on the playground. You'll be providing kids with the tools they'll need when they're away from home. Establish family rules.