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

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Table A.

Nationally representative sample and universe surveys used in this report


Survey Sample Year of survey Reference time period Indicators
National Crime Victimization Survey (NCVS) Individuals ages 12 or older living in households and group quarters 1992–2010
Annually
Interviews conducted
during the calendar
year1
2
The School-Associated Violent Deaths Surveillance Study (SAVD) Universe 1992 through 2010
continuous
July 1 through June 30 1
School Crime Supplement (SCS) to the National Crime Victimization Survey Students ages 12–18 enrolled in public and private schools during the school year2 1995, 1999, and 2001–2009 biennially Incidents during the school year2 3, 8, 10, 11, 17, 18 and 21
School Survey on Crime and Safety (SSOCS) Public primary, middle, and high schools3 1999–2000, 2003–04, 2005–06, 2007–08, and 2009–10 1999–2000, 2003–04, 2005–06, 2007–08, and 2009–10 school years 6, 7, 19, and 20
Schools and Staffing Survey (SASS) Public and private school K–12 teachers 1993–94,1999–2000, 2003–04, and 2007–08 Incidents during the previous 12 months 5, 12
Supplementary Homicide Reports (SHR) Universe 1992 through 2009
continuous
July 1 through June 30 1
Web-Based Injury Statistics Query and Reporting System Fatal Universe 1992 through 2008
continuous
Calendar year 1
Youth Risk Behavior Surveillance System (YRBSS) Students enrolled in grades 9–12 in public and private schools at the time of the survey 1993–2009 biennially Incidents during the previous 12 months

Incidents during the previous 30 days
4, 9, and 13


14, 15, and 16
1 Respondents in the NCVS are interviewed every 6 months and asked about incidents that occurred in the past 6 months.
2 In 2007 and 2009, the reference period was the school year. In all other survey years, the reference period was the previous 6 months. Cognitive testing showed that estimates from 2007 and 2009 are comparable to previous years. For more information, please see appendix A.
3 Either school principals or the person most knowledgeable about discipline issues at school completed the SSOCS questionnaire.
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