Table 21.  Percentage of students ages 12–18 who reported bringing a knife to school, having knowledge of a gun being brought by another student to school, having seen another student with a gun at school, and the possibility of accessing a gun, by selected student and school characteristics: School year 2006–07
 
Knew any (other) student who brought a gun onto school property Have seen another student with a gun at school Possible to get a gun without adult supervision, at or away from school
Brought a knife onto school property
Student or school characteristic Yes   No   Yes   No   Yes   No   Yes   No  
Total 1.8   98.2   5.2   94.8   1.8   97.5   6.7   93.3  
                                 
Sex                                
Male 2.0   98.0   5.3   94.7   2.2   97.0   8.4   91.6  
Female 1.7   98.3   5.1   94.9   1.5   98.0   5.0   95.0  
                                 
Race/ethnicity                                
White, not Hispanic or Latino 1.8   98.2   4.3   95.7   1.1   98.3   7.7   92.3  
Black, not Hispanic or Latino 1.4 ! 98.6   8.2   91.8   4.7   94.3   6.2   93.8  
Hispanic or Latino 2.6   97.4   5.2   94.8   1.9   97.3   4.8   95.2  
All other races, not Hispanic or Latino1 1.4 ! 98.6   6.2   93.8   1.9 ! 97.4   4.8   95.2  
                                 
Grade                                
6th 2.1   97.9   4.0   96.0   1.4 ! 97.9   2.4   97.6  
7th 1.1 ! 98.9   4.6   95.4   1.8   97.1   2.6   97.4  
8th 2.1   97.9   4.8   95.2   1.3 ! 98.0   3.2   96.8  
9th 1.9   98.1   5.7   94.3   2.4   97.1   6.8   93.2  
10th 1.6   98.4   7.2   92.8   2.1   97.3   9.2   90.8  
11th 1.5   98.5   4.4   95.6   1.5   97.8   9.9   90.1  
12th 2.6   97.4   5.2   94.8   2.2   97.3   12.3   87.7  
                                 
Household income                                
Less than $7,500 #   100.0   ‡   97.9   ‡   98.3   ‡   99.0  
$7,500-14,999 2.8 ! 97.2   5.8 ! 94.2   4.0 ! 94.6   7.6   92.4  
$15,000-24,999 2.6   97.4   5.1   94.9   2.1 ! 96.5   7.4   92.6  
$25,000-34,999 2.0 ! 98.0   7.4   92.6   3.1   95.9   8.7   91.3  
$35,000-49,999 2.4   97.6   5.8   94.2   1.6 ! 98.0   5.6   94.4  
$50,000 or more 1.3   98.7   4.1   95.9   1.3   98.4   6.9   93.1  
                                 
Urbanicity2                                
Urban 2.1   97.9   5.5   94.5   2.5   96.4   5.8   94.2  
Suburban 1.5   98.5   4.9   95.1   1.7   97.7   6.4   93.6  
Rural 2.5   97.5   5.6   94.4   1.2   98.4   9.1   90.9  
                    
Self-report of grades at school3                                
Mostly A's 1.3   98.7   4.1   95.9   1.0   98.7   5.4   94.6  
Mostly B's 1.5   98.5   5.0   95.0   1.7   97.6   6.9   93.1  
Mostly C's 2.8   97.2   6.8   93.2   3.0   96.0   7.2   92.8  
Mostly D's 5.7 ! 94.3   13.9   86.1   7.3 ! 92.7   14.7   85.3  
Mostly F's 12.3 ! 87.7   ‡   95.2   #   100.0   14.4 ! 85.6  
                                 
Student report of violent victimization at school4
Yes ‡   96.2   10.6 ! 89.4   7.0 ! 91.9   14.3   85.7  
No 1.8   98.2   5.1   94.9   1.8   97.6   6.6   93.4  
                                 
Student report of theft victimization at school4
Yes ‡   97.6   9.2   90.8   2.6 ! 96.8   9.9   90.1  
No 1.8   98.2   5.1   94.9   1.8   97.5   6.6   93.4  
                                 
Sector                                
Public 1.9   98.1   5.6   94.4   1.9   97.4   6.9   93.1  
Private ‡   99.3   ‡   99.4   1.1 ! 98.3   4.5   95.5  
# Rounds to zero.
! Interpret data with caution. The standard error for this estimate is from 30 percent to 50 percent of the estimate’s value.
‡ Reporting standards not met. The standard error for this estimate is equal to 50 percent or more of the estimate's value.
1 "All other races, not Hispanic or Latino" includes Asians, Pacific Islanders, and American Indians (including Alaska Natives) and respondents of two or more races. For this report, not Hispanic or Latino students who identified themselves as being of two or more races (1 percent of all respondents) were included in the "all other races, not Hispanic or Latino" category. Respondents who identified themselves as being of Hispanic or Latino origin were classified as "Hispanic or Latino," regardless of their race.
2 Urbanicity refers to the Metropolitan Statistical Area (MSA) status of the respondent's household as defined in 1990 by the U.S. Census Bureau.
3 Rates for students who responded that their schools did not give grades or there was no alphabetical equivalent are not reported.
4 Victimization data are taken from the Incident Report of the National Crime Victimization Survey and appended to the School Crime Supplement (SCS) data file. Readers should note the reference period for the victimization data is "the last 6 months" while the reference period for the SCS is "the last school year."
NOTE: "Violent" victimization includes serious violent crimes (rape, sexual assault, robbery, and aggravated assault) and simple assault. "Theft" includes attempted and completed purse snatching, completed pickpocketing, and all attempted and completed thefts, excluding motor vehicle theft. Theft does not include robbery, in which the threat or use of force is involved. "At school" includes inside the school building, on school property, on a school bus, and on the way to and from school. There were too few cases reported for "brought a gun onto school property" and "brought some other weapon" across all student and school characteristics to report reliable data; thus, these are not reported. Details may not sum to 100 percent for "have seen another student with a gun at school" because respondent-volunteered "don't know" responses are included in the base for the percentages listed. Population size for students ages 12–18 was 25,967,000 in 2007.
SOURCE: U.S. Department of Justice, Bureau of Justice Statistics, School Crime Supplement (SCS) to the National Crime Victimization Survey (NCVS), 2007.

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