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School-level use of tobacco and alcohol are related to individual students' use in high school, but few studies have examined the effects of school-level substance use in early adolescence. In addition, little is known about factors modifying individuals' vulnerability to school-level influences. This study examined school-wide levels of alcohol, cigarette, and marijuana use in relation to early adolescents' substance use and the role of peer deviance and parenting practices as modifiers of school-level effects.

School-Level Substance Use: Effects on Early Adolescents' Alcohol, Tobacco, and Marijuana Use