A security consultant recommends that the Wake County school system take steps such as installing secured front-door entrance areas, locking all classroom doors and keeping students on campus ...

The Louisiana State Fire Marshal’s Office has issued guidelines for installing locks on the inside of classroom doors to help secure campuses during an active shooter situation.

Sitting in front could improve classroom performance. March 28, 2011; ... Each student, while standing in the door frame of their new class, silently deliberates their quarter-long seat.

The bulletproof doors cost just under $4,000 and are expected to last 25 years. The CEO said in a classroom of 25 students, that's about four cents per student per day.