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Indicators of School Crime and Safety: 2012
NCES 2013-036
2013

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Table 16.1.

Percentage of students in grades 9–12 who reported using marijuana at least one time during the previous 30 days, by location and selected student characteristics: Various years, 1993–2011


Student characteristic Anywhere   On school property
1993 1995 1997 1999 2001 2003 2005   2007 2009 2011   1993 1995   1997   1999 2001   2003   2005 2007   2009   2011  
Total 17.7 25.3 26.2 26.7 23.9 22.4 20.2   19.7 20.8 23.1   5.6 8.8   7.0   7.2 5.4   5.8   4.5 4.5   4.6   5.9  
                                                           
Sex                                                          
Male 20.6 28.4 30.2 30.8 27.9 25.1 22.1   22.4 23.4 25.9   7.8 11.9   9.0   10.1 8.0   7.6   6.0 5.9   6.3   7.5  
Female 14.6 22.0 21.4 22.6 20.0 19.3 18.2   17.0 17.9 20.1   3.3 5.5   4.6   4.4 2.9   3.7   3.0 3.0   2.8   4.1  
                                                           
Race/ethnicity1                                                          
White 17.3 24.5 25.0 26.4 24.4 21.7 20.3   19.9 20.7 21.7   5.0 7.1   5.8   6.5 4.8   4.5   3.8 4.0   3.8   4.5  
Black 18.6 28.6 28.2 26.4 21.8 23.9 20.4   21.5 22.2 25.1   7.3 12.3   9.1   7.2 6.1   6.6   4.9 5.0   5.6   6.7  
Hispanic 19.4 27.8 28.6 28.2 24.6 23.8 23.0   18.5 21.6 24.4   7.5 12.9   10.4   10.7 7.4   8.2   7.7 5.4   6.5   7.7  
Asian2 13.5 10.9 9.5 6.7   9.4 7.5 13.6       4.3 4.7 ! 4.3 ! 2.7 ! 2.0   4.5  
American Indian/Alaska Native 17.4 28.0 44.2 36.2 36.4 32.8 30.3   27.4 31.6 47.4   10.1 ! 16.2 ! 21.5 ! 11.4 ! 9.2 8.2   2.9 ! 20.9  
Pacific Islander/Native Hawaiian2 33.8 21.9 28.1 12.4 ! 28.7 24.8 31.1       11.0 6.4 ! 9.1 ! 13.4 ! 9.0   12.5 !
Two or more races2 29.1 31.8 28.3 16.9   20.5 21.7 26.8       7.8 5.2   11.4 ! 3.6 3.6 ! 5.4   8.1  
                                                           
Grade                                                          
9th 13.2 20.9 23.6 21.7 19.4 18.5 17.4   14.7 15.5 18.0   4.4 8.7   8.1   6.6 5.5   6.6   5.0 4.0   4.3   5.4  
10th 16.5 25.5 25.0 27.8 24.8 22.0 20.2   19.3 21.1 21.6   6.5 9.8   6.4   7.6 5.8   5.2   4.6 4.8   4.6   6.2  
11th 18.4 27.6 29.3 26.7 25.8 24.1 21.0   21.4 23.2 25.5   6.5 8.6   7.9   7.0 5.1   5.6   4.1 4.1   5.0   6.2  
12th 22.0 26.2 26.6 31.5 26.9 25.8 22.8   25.1 24.6 28.0   5.1 8.0   5.7   7.3 4.9   5.0   4.1 5.1   4.6   5.4  
                                                           
Urbanicity3                                                          
Urban 26.8 27.5 25.6 23.4       8.0   8.5 6.8   6.8        
Suburban 27.0 26.1 22.5 22.8       7.0   6.4 4.7   6.0        
Rural 21.9 28.0 26.2 19.9       4.9 ! 8.1 5.3   3.9        
— Not available.
! Interpret data with caution. The coefficient of variation (CV) for this estimate is between 30 and 50 percent.
‡ Reporting standards not met. The CV for this estimate is 50 percent or greater.
1 Race categories exclude persons of Hispanic ethnicity.
2 The response categories for race/ethnicity changed in 1999, making comparisons of some categories with categories of earlier years problematic. In 1993, 1995, and 1997, Asian students and Pacific Islander students were not categorized separately, and students were not given the option of choosing two or more races.
3 Refers to the Standard Metropolitan Statistical Area (MSA) status of the respondent's household as defined in 2000 by the U.S. Census Bureau. Categories include "central city of an MSA (Urban)," "in MSA but not in central city (Suburban)," and "not MSA (Rural)."
NOTE: The term "anywhere" is not used in the Youth Risk Behavior Survey (YRBS) questionnaire; students are simply asked how many times during the previous 30 days they used marijuana. In the question that asks students about using majijuana at school, 'on school property' was not defined for survey respondents.
SOURCE: Centers for Disease Control and Prevention, Division of Adolescent and School Health, Youth Risk Behavior Surveillance System (YRBSS), various years, 1993–2011.
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National Center for Education Statistics - http://nces.ed.gov
U.S. Department of Education