
Figure 20.2. |
Percentage of public schools that used selected safety and security measures: Various school years, 1999–2000 through 2007–08 |
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1 For example, locked or monitored doors. 2 One or more cameras. NOTE: Responses were provided by the principal or the person most knowledgeable about crime and safety issues at the school. SOURCE: U.S. Department of Education, National Center for Education Statistics, 1999–2000, 2003–04, 2005–06, and 2007–08 School Survey on Crime and Safety (SSOCS), 2000, 2004, 2006, and 2008. |