School safety and security continues to be a concern in school districts across the Tri-States.
The Hannibal School district recently changed access to several of the buildings on the High School campus from standard keys to key cards.
Along with the key cards, the buildings exteriors doors automatically lock during class and only open for a limited time between classes.
Business manager Rich Stilley hopes the added security will be an extra comfort to parents.
"The doors are just locked down. And it's just secondary ... additional layers of security that we've never had before and I think is fairly new to this area as well. And we're glad to be out in front," Stilley said.
Cameras also have been installed at the entry doors and throughout the building which allow the school to monitor people coming and going across the campus throughout the day.