High-tech school security is on the rise
Each morning, the 16,000 students in the Spring Independent School District in suburban Houston swipe their ID tags as they climb onto the school bus. A radio frequency tag tracks them, as it does when they arrive at school and as they leave the building.
Nearly 1,000 cameras watch them all day. Every visitor ó parents, volunteers, the guy who fills the Coke machine ó must surrender his or her driver's license to a secretary who checks it against a national database of sex offenders.
At USA Today.
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