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Table 171. Percentage of students in grades 9 through 12 who reported experience with drugs and violence on school property, by race/ethnicity, grade, and sex: Selected years, 1997 through 2009
Type of violence or drug-related behavior, and sex 1997 total 1999 total 2003 total 2005 total 2007 total 2009
Total Race/ethnicity Grade
White Black Hispanic 9th 10th 11th 12th
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Felt too unsafe to go to school1  4.0 (0.6) 5.2 (1.3) 5.4 (0.41) 6.0 (0.61) 5.5 (0.39) 5.0 (0.34) 3.5 (0.33) 6.3 (0.76) 8.1 (0.60) 5.8 (0.44) 5.0 (0.53) 5.3 (0.60) 3.4 (0.42)
Male 4.1 (0.8) 4.8 (1.6) 5.5 (0.51) 5.7 (0.56) 5.4 (0.44) 4.6 (0.43) 3.3 (0.43) 5.9 (0.77) 7.9 (1.06) 5.4 (0.61) 4.6 (0.66) 4.9 (0.72) 3.4 (0.63)
Female 3.9 (0.7) 5.7 (1.5) 5.3 (0.51) 6.3 (0.77) 5.6 (0.53) 5.3 (0.38) 3.8 (0.43) 6.6 (1.12) 8.3 (0.77) 6.4 (0.73) 5.3 (0.64) 5.8 (0.84) 3.3 (0.46)
                                                     
Carried a weapon on school
   property1,2 
8.5 (1.5) 6.9 (1.2) 6.1 (0.56) 6.5 (0.46) 5.9 (0.37) 5.6 (0.32) 5.6 (0.44) 5.3 (0.74) 5.8 (0.58) 4.9 (0.46) 6.1 (0.57) 5.2 (0.44) 6.0 (0.57)
Male 12.5 (2.9) 11.0 (2.1) 8.9 (0.77) 10.2 (0.82) 9.0 (0.65) 8.0 (0.52) 8.3 (0.76) 6.6 (1.06) 7.9 (0.90) 6.4 (0.74) 8.9 (0.91) 7.9 (0.77) 9.1 (1.03)
Female 3.7 (0.7) 2.8 (0.7) 3.1 (0.51) 2.6 (0.31) 2.7 (0.33) 2.9 (0.24) 2.4 (0.28) 4.0 (0.83) 3.7 (0.52) 3.2 (0.39) 3.1 (0.55) 2.3 (0.35) 2.9 (0.40)
                                                     
Threatened or injured with a weapon
   on school property3 
7.4 (0.9) 7.7 (0.8) 9.2 (0.77) 7.9 (0.36) 7.8 (0.44) 7.7 (0.37) 6.4 (0.43) 9.4 (0.80) 9.1 (0.61) 8.7 (0.53) 8.4 (0.72) 7.9 (0.60) 5.2 (0.53)
Male 10.2 (1.4) 9.5 (1.6) 11.6 (0.97) 9.7 (0.41) 10.2 (0.59) 9.6 (0.59) 7.8 (0.65) 11.2 (1.25) 12.0 (1.07) 9.5 (0.92) 11.1 (1.16) 10.7 (0.89) 6.5 (0.73)
Female 4.0 (0.6) 5.8 (1.2) 6.5 (0.61) 6.1 (0.41) 5.4 (0.41) 5.5 (0.37) 4.9 (0.47) 7.4 (0.84) 6.3 (0.60) 7.7 (0.61) 5.2 (0.74) 4.8 (0.59) 3.8 (0.52)
                                                     
Engaged in a physical fight on                                                    
school property3 14.8 (1.3) 14.2 (1.3) 12.8 (0.77) 13.6 (0.56) 12.4 (0.48) 11.1 (0.54) 8.6 (0.58) 17.4 (0.99) 13.5 (0.82) 14.9 (0.98) 12.1 (0.83) 9.5 (0.63) 6.6 (0.59)
Male 20.0 (2.0) 18.5 (1.4) 17.1 (0.92) 18.2 (0.92) 16.3 (0.60) 15.1 (1.05) 12.4 (1.25) 22.2 (1.40) 17.7 (1.26) 19.7 (1.75) 16.4 (1.66) 13.3 (0.97) 9.3 (0.95)
Female 8.6 (1.5) 9.8 (1.9) 8.0 (0.71) 8.8 (0.51) 8.5 (0.62) 6.7 (0.42) 4.3 (0.40) 12.5 (1.45) 9.3 (0.93) 9.5 (0.72) 7.3 (0.73) 5.5 (0.70) 3.8 (0.47)
                                                     
Cigarette use on school property1  14.6 (1.5) 14.0 (1.9) 8.0 (0.71) 6.8 (0.41) 5.7 (0.50) 5.1 (0.31) 5.8 (0.50) 2.6 (0.46) 4.8 (0.36) 3.7 (0.32) 4.7 (0.47) 6.2 (0.65) 6.5 (0.60)
Male 15.9 (1.7) 14.8 (2.0) 8.2 (0.66) 7.4 (0.41) 6.5 (0.53) 6.2 (0.48) 6.6 (0.69) 4.0 (0.85) 5.9 (0.66) 4.2 (0.47) 5.6 (0.84) 7.1 (0.91) 8.4 (0.85)
Female 13.0 (2.2) 13.2 (2.0) 7.6 (0.92) 6.2 (0.61) 4.8 (0.56) 4.0 (0.32) 4.7 (0.52) 1.2 (0.34) 3.7 (0.44) 3.0 (0.37) 3.5 (0.51) 5.1 (0.66) 4.4 (0.65)
                                                     
Smokeless tobacco use on school
   property4 
5.1 (1.4) 4.2 (1.8) 5.9 (1.53) 5.0 (0.61) 4.9 (0.71) 5.5 (0.59) 7.0 (0.90) 2.6 (0.48) 3.2 (0.40) 4.1 (0.56) 5.1 (0.75) 6.2 (0.71) 6.7 (0.90)
Male 9.0 (2.5) 8.1 (3.5) 8.5 (1.48) 9.2 (1.12) 8.9 (1.31) 9.4 (1.16) 12.1 (1.83) 4.1 (0.84) 5.3 (0.77) 6.2 (0.99) 8.8 (1.37) 11.0 (1.39) 12.6 (1.74)
Female 0.4 (0.2) 0.3 (0.2) 3.3 (1.68) 0.8 (0.15) 1.0 (0.20) 1.1 (0.16) 1.1 (0.24) 1.0 (0.29) 1.2 (0.31) 1.6 (0.35) 0.9 (0.26) 1.1 (0.37) 0.6 (0.17)
                                                     
Alcohol use on school property1  5.6 (0.7) 4.9 (0.7) 5.2 (0.46) 4.3 (0.31) 4.1 (0.32) 4.5 (0.29) 3.3 (0.27) 5.4 (0.59) 6.9 (0.70) 4.4 (0.37) 4.8 (0.46) 4.6 (0.44) 4.1 (0.44)
Male 7.2 (1.3) 6.1 (1.1) 6.0 (0.61) 5.3 (0.41) 4.6 (0.35) 5.3 (0.41) 4.1 (0.48) 5.9 (0.80) 7.9 (0.91) 4.3 (0.51) 5.9 (0.82) 5.7 (0.66) 5.4 (0.64)
Female 3.6 (0.7) 3.6 (0.7) 4.2 (0.41) 3.3 (0.31) 3.6 (0.37) 3.6 (0.34) 2.3 (0.34) 4.8 (0.76) 5.9 (0.79) 4.5 (0.52) 3.5 (0.45) 3.4 (0.54) 2.7 (0.40)
                                                     
Marijuana use on school property1  7.0 (1.0) 7.2 (1.4) 5.8 (0.66) 4.5 (0.31) 4.5 (0.46) 4.6 (0.35) 3.8 (0.38) 5.6 (0.64) 6.5 (0.76) 4.3 (0.38) 4.6 (0.50) 5.0 (0.55) 4.6 (0.49)
Male 9.0 (1.3) 10.1 (2.6) 7.6 (0.87) 6.0 (0.46) 5.9 (0.61) 6.3 (0.54) 5.1 (0.60) 8.3 (1.03) 8.7 (0.91) 5.2 (0.67) 6.4 (0.77) 6.9 (0.80) 7.0 (0.85)
Female 4.6 (1.1) 4.4 (0.8) 3.7 (0.46) 3.0 (0.31) 3.0 (0.39) 2.8 (0.32) 2.3 (0.38) 2.9 (0.52) 4.2 (0.86) 3.4 (0.53) 2.5 (0.48) 3.0 (0.55) 2.1 (0.36)
                                                     
Offered, sold, or given an illegal
   drug on school property3 
31.7 (1.8) 30.2 (2.4) 28.7 (1.94) 25.4 (1.07) 22.3 (1.04) 22.7 (1.04) 19.8 (1.13) 22.2 (1.42) 31.2 (1.53) 22.0 (1.32) 23.7 (1.11) 24.3 (1.44) 20.6 (1.21)
Male 37.4 (2.3) 34.7 (3.3) 31.9 (2.09) 28.8 (1.22) 25.7 (1.15) 25.9 (1.36) 22.7 (1.55) 25.7 (1.90) 35.1 (1.59) 22.9 (1.94) 27.3 (1.70) 27.8 (2.05) 25.8 (1.46)
Female 24.7 (2.4) 25.7 (2.4) 25.0 (1.94) 21.8 (1.02) 18.7 (1.16) 19.3 (1.01) 16.5 (1.11) 18.8 (2.02) 27.1 (1.96) 21.1 (1.40) 19.6 (1.25) 20.5 (1.46) 15.4 (1.36)
1 One or more times during the 30 days preceding the survey.
2 Such as a gun, knife, or club.
3 One or more times during the 12 months preceding the survey.
4 Used chewing tobacco or snuff one or more times during the 30 days preceding the survey.
NOTE: Totals include other racial/ethnic groups not shown separately and students whose racial/ethnic group or grade was not reported. Race categories exclude persons of Hispanic ethnicity. Standard errors appear in parentheses.
SOURCE: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, Youth Risk Behavior Survey (YRBS), 2009 National YRBS Data Files, retrieved June 21, 2010, from http://www.cdc.gov/HealthyYouth/YRBS/data/index.htm. (This table was prepared June 2010.)
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National Center for Education Statistics - http://nces.ed.gov
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