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Table 25.  Percentage of public high schools reporting use of specified school practices: School year 2005–06
School practice  Percent of Schools
Require visitors to sign or check in  99
Control access to school buildings during school hours1  77
Control access to school grounds during school hours2  36
Require students to pass through metal detectors each day  3
Require visitors to pass through metal detectors  2
Perform one or more random metal detector checks on students  11
Close the campus for most or all students during lunch  71
Use one or more random dog sniffs to check for drugs  61
Perform one or more random sweeps for contraband, but not including dog sniffs3  30
Require drug testing for athletes  13
Require drug testing for students in extracurricular activities other than athletics  8
Require drug testing for any other students  8
Require students to wear uniforms  5
Enforce a strict dress code  64
Provide school lockers to students  88
Require clear book bags or ban book bags on school grounds  9
Require students to wear badges or picture IDs  16
Require faculty and staff to wear badges or picture IDs  47
Use one or more security cameras to monitor the school  70
Provide telephones in most classrooms  70
Provide two-way radios to any staff  67
Prohibit all tobacco use on school grounds  94
1 Examples of controlled access to school buildings provided to respondents were locked or monitored doors.
2 Examples of controlled access to school grounds provided to respondents were locked or monitored gates.
3 Examples of contraband provided to respondents were drugs or weapons.
NOTE: Responses were provided by the principal or the person most knowledgeable about crime and safety issues at the school. High schools are defined as schools in which the lowest grade is not lower than grade 9 and the highest grade is not higher than grade 12.
SOURCE: U.S. Department of Education, National Center for Education Statistics (NCES), 2005–06 School Survey on Crime and Safety (SSOCS), 2006.