Drug or alcohol addiction continues to be a problem for many teenagers. Students who abuse drugs and alcohol are more likely to drop out of school. Educators may be the first to see signs of addiction in teens and are in a unique position to identify these students. Identifying drug and alcohol problems early and referring teens to proper treatment can go a long way toward preventing problems later in life. This Spotlight will guide viewers through current research and trends related to the most commonly abused substances by adolescents. It will help educators and school nurses learn how to identify students who are at risk for abusing substances and how to identify students who are under the influence of a controlled substance while at school.