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Figure 20.2.

Percentage of public schools that used selected safety and security measures: Selected school years, 2003–04 through 2011–12


Percentage of public schools that used selected safety and security measures: Selected school years, 2003–04 through 2011–12

1 For example, locked or monitored doors.
2 For example, locked or monitored gates.
3 For example, drugs or weapons. Does not include dog sniffs.
NOTE: Responses were provided by the principal.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey (SASS), "Public School Principal Data File," 2011–12.
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National Center for Education Statistics - http://nces.ed.gov
U.S. Department of Education