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Indicators of School Crime and Safety: 2011
NCES 2012-002
February 2012


Table 14.1.

Percentage of students in grades 9–12 who reported carrying a weapon at least one day during the previous 30 days, by location and selected student or school characteristics: Various years, 1993–2009


Student or school characteristic Anywhere   On school property  
1993 1995 1997 1999 2001 2003   2005   2007 2009   1993   1995   1997 1999   2001   2003   2005   2007   2009  
Total 22.1 20.0 18.3 17.3 17.4 17.1   18.5   18.0 17.5   11.8   9.8   8.5 6.9   6.4   6.1   6.5   5.9   5.6  
                                                           
Sex                                                          
Male 34.3 31.1 27.7 28.6 29.3 26.9   29.8   28.5 27.1   17.9   14.3   12.5 11.0   10.2   8.9   10.2   9.0   8.0  
Female 9.2 8.3 7.0 6.0 6.2 6.7   7.1   7.5 7.1   5.1   4.9   3.7 2.8   2.9   3.1   2.6   2.7   2.9  
                                                           
Race/ethnicity1                                                          
White 20.6 18.9 17.0 16.4 17.9 16.7   18.7   18.2 18.6   10.9   9.0   7.8 6.4   6.1   5.5   6.1   5.3   5.6  
Black 28.5 21.8 21.7 17.2 15.2 17.3   16.4   17.2 14.4   15.0   10.3   9.2 5.0   6.3   6.9   5.1   6.0   5.3  
Hispanic 24.4 24.7 23.3 18.7 16.5 16.5   19.0   18.5 17.2   13.3   14.1   10.4 7.9   6.4   6.0   8.2   7.3   5.8  
Asian 13.0 10.6 11.6   7.0   7.8 8.4       6.5   7.2   6.6 ! 2.8 ! 4.1   3.6  
American Indian/Alaska Native 34.2 32.0 26.2 21.8 31.2 29.3   25.6   20.6 20.7   17.6 ! 13.0 ! 15.9 11.6 ! 16.4   12.9   7.2   7.7   4.2 !
Pacific Islander/Native Hawaiian2 25.3 17.4 16.3 ! 20.0 ! 25.5 20.3       9.3   10.0 ! 4.9 ! 15.4 ! 9.5 ! 9.8  
Two or more races2 22.2 25.2 29.8   26.7   19.0 17.9       11.4   13.2   13.3 ! 11.9   5.0   5.8  
                                                           
Grade                                                          
9th 25.5 22.6 22.6 17.6 19.8 18.0   19.9   20.1 18.0   12.6   10.7   10.2 7.2   6.7   5.3   6.4   6.0   4.9  
10th 21.4 21.1 17.4 18.7 16.7 15.9   19.4   18.8 18.4   11.5   10.4   7.7 6.6   6.7   6.0   6.9   5.8   6.1  
11th 21.5 20.3 18.2 16.1 16.8 18.2   17.1   16.7 16.2   11.9   10.2   9.4 7.0   6.1   6.6   5.9   5.5   5.2  
12th 19.9 16.1 15.4 15.9 15.1 15.5   16.9   15.5 16.6   10.8   7.6   7.0 6.2   6.1   6.4   6.7   6.0   6.0  
                                                           
Urbanicity3                                                          
Urban 18.7 15.8 15.3 17.0           7.0 7.2   6.0   5.6        
Suburban 16.8 17.0 17.4 16.5           8.7 6.2   6.3   6.4        
Rural 22.3 22.3 23.0 18.9           11.2 9.6   8.3   6.3        
— Not available.
! Interpret data with caution. The coefficient of variation (CV) for this estimate is 30 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 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: “On school property” was not defined for survey respondents. The term “anywhere” was not used in the YRBS questionnaire; students were simply asked on how many days they carried a weapon during the past 30 days.
SOURCE: Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Youth Risk Behavior Surveillance System (YRBSS), various years, 1993–2009.
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