Approximately 10,000 students from 60 elementary schools in five school districts participated in the survey. In each semester, half the schools received the program and the other half made up the control group. Half the students were surveyed randomly by means of a pretest and a posttest that measured attitudes toward self; others; and the use of alcohol, tobacco, and other drugs. Results revealed that most students already held extremely negative attitudes toward alcohol, tobacco, and other drugs before the program began and that without DARE students become more in conflict with institutions such as family and the law and less independent of the peer group. Self-concepts of DARE participants became more positive, and feelings of personal control became stronger than those of the controls. An additional posttest 4 months after the program produced similar results. Parents, teachers, and administrators all strongly supported the program and believed that it should be continued. Attached tables and 17 references