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


Table 14.2.

Percentage of students in grades 9–12 who reported carrying a weapon during the previous 30 days, by location, number of days, and selected student characteristics: 2009


Student characteristic Anywhere     On school property  
0 days   1 day   2 to 5 days   6 or more days     0 days   1 day   2 to 5 days   6 or more days  
Total 82.5   3.5   5.8   8.2     94.4   1.7   1.5   2.4  
                                   
Sex                                  
Male 72.9   5.2   8.6   13.3     92.0   2.4   2.1   3.5  
Female 92.9   1.7   2.8   2.6     97.1   0.9   0.9   1.1  
                                   
Race/ethnicity1                                  
White 81.4   3.4   5.8   9.4     94.4   1.6   1.4   2.6  
Black 85.6   2.8   4.7   7.0     94.7   1.7   1.3   2.3  
Hispanic 82.8   4.6   6.6   6.0     94.2   2.0   2.1   1.7  
Asian 91.6   1.9   3.2   3.2     96.4     1.1 ! 1.6 !
American Indian/Alaska Native 79.3     5.6 ! 13.4     95.8        
Pacific Islander/Native Hawaiian 79.7   4.5 ! 6.9   8.8     90.2     4.2 ! 2.5 !
Two or more races 82.1   4.0   7.4   6.5     94.2   2.0 ! 1.2 ! 2.7  
                                   
Grade                                  
9th 82.0   4.0   6.7   7.4     95.1   1.9   1.3   1.7  
10th 81.6   3.8   5.8   8.8     93.9   2.1   1.8   2.3  
11th 83.8   3.5   5.4   7.3     94.8   1.4   1.3   2.5  
12th 83.4   2.6   4.7   9.3     94.0   1.2   1.6   3.2  
! Interpret data with caution. The coefficient of variation (CV) for this estimate is 30 percent or greater.  
‡ Reporting standards not met. Either there are too few cases or the coefficient of variation (CV) is 50 percent or greater.                                  
1 Race categories exclude persons of Hispanic ethnicity.
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. Detail may not sum to totals because of rounding.
SOURCE: Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Youth Risk Behavior Surveillance System (YRBSS), 2009.
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