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Table 27.  Percentage of public primary schools reporting use of specified student monitoring practices: School year 2015–16

Student monitoring practice   Percent of schools  
Require metal detector checks on students every day    
Perform one or more random metal detector checks on students   2.0 !
Use one or more random dog sniffs to check for drugs   5.9  
Perform one or more random sweeps for contraband, but not including dog sniffs1   3.1 !
Require drug testing for athletes   1.1 !
Require drug testing for students in extracurricular activities other than athletics   1.1 !
Require students to wear uniforms   25.4  
Enforce a strict dress code   46.5  
Require clear book bags or ban book bags on school grounds   2.0 !
Provide a structured anonymous threat reporting system2   40.3  
Require faculty and staff to wear badges or picture IDs   2.9  
Limit access to social networking websites3   89.2  
Prohibit use of cell phone and text messaging devices during school hours   74.9  
! Interpret data with caution. The standard error for this estimate is from 30 percent to 50 percent of the estimate's value.
‡ Reporting standards not met. Either there are too few cases for a reliable estimate or the standard error represents more than 50 percent of the estimate.
1Examples of contraband provided to respondents were drugs or weapons.
2Examples of structured anonymous threat reporting systems provided to respondents were online submission, telephone hotline, or written submission via drop box.
3Examples of social networking websites provided to respondents were Facebook, Twitter, YouTube, or Instagram.
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, 2015–16 School Survey on Crime and Safety (SSOCS), 2016.