Figure 16.4. Percentage of students in grades 9–12 who reported using marijuana at least one time during the previous 30 days, by location and grade: 2009

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Indicators of School Crime and Safety: 2010

NCES 2011-002
November 2010

List of Figures

Figure 16.4.

Percentage of students in grades 9–12 who reported using marijuana at least one time during the previous 30 days, by location and grade: 2009

NOTE: "On school property" was not defined for survey respondents. The term "anywhere" is not used in the YRBS questionnaire; students are simply asked how many times during the past 30 days they used marijuana.
SOURCE: Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Youth Risk Behavior Surveillance System (YRBSS), 2009.