This is just...strange I guess.

From This Chicago Tribune Article

In the classroom where Mackenzie Hill had been hiding, police broke through the door. As the officers were guiding students out, they noticed something odd: One of the students had put on a bulletproof vest.

The student said he'd been given the vest by his father, a police officer.

Even in the safest city in Florida, he'd brought it to school with him, just in case.