|School safety and security measure||1999–2000||2003–04||2005–06||2007–08|
|Controlled access during school hours|
|Buildings (e.g., locked or monitored doors)||74.6||83.0||84.9||89.5|
|Grounds (e.g., locked or monitored gates)||33.7||36.2||41.1||42.6|
|Closed the campus for most students during lunch||64.6||66.0||66.1||65.0|
|Drug testing and tobacco use|
|Students in extracurricular activities (excluding athletes)||—||2.6||3.4||4.5|
|Any other students||—||—||3.0||3.0|
|Prohibited all tobacco use on school grounds||90.1||88.8||90.3||91.4|
|Required to wear badges or picture IDs|
|Faculty and staff||25.4||48.0||47.8||58.3|
|Metal detector checks on students|
|Required to pass through daily||0.9||1.1||1.1||1.3|
|Sweeps and technology|
|Random dog sniffs to check for drugs1||20.6||21.3||23.0||21.5|
|Random sweeps for contraband1,2||11.8||12.8||13.1||11.4|
|Provided telephones in most classrooms||44.6||60.8||66.8||71.6|
|Electronic notification system for school-wide emergency||—||—||—||43.2|
|Structured, anonymous threat reporting system||—||—||—||31.2|
|Used security cameras to monitor the school1||19.4||36.0||42.8||55.0|
|Provided two-way radios||—||71.2||70.8||73.1|
|Sign in or check in||96.6||98.3||97.6||98.7|
|Pass through metal detectors||0.9||0.9||1.0||—|
|Required students to wear uniforms||11.8||13.8||13.8||17.5|
|Enforced a strict dress code||47.4||55.1||55.3||54.8|
|School supplies and equipment|
|Required clear book bags or banned book bags on school grounds||5.9||6.2||6.4||6.0|
|Provided school lockers to students||46.5||49.5||50.6||48.9|
|— Not available.
1 One or more check, sweep, or camera.
2 For example, drugs or weapons. Does not include dog sniffs.
NOTE: Responses were provided by the principal or the person most knowledgeable about crime and safety issues at the school. Respondents were instructed to respond only for those times that were during normal school hours or when school activities or events were in session, unless the survey specified otherwise.
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.