CAN I COME IN?

The article discusses access-control devices designed to protect students attending a school in the Spring Independent School District in Texas. The district began its own police force in 1990 to do full-time policing and study ways to improve the safety of staff and students. The district utilizes technology like radio frequency identification tags to ensure that students get on the right buses. Officials are preparing a project in Fall 2008 that will allow them to track students' exact locations.