VIDEO: St. Louis County schools are one step closer to being prepared for emergencies.
Active shooters, natural disasters, fires and medical issues -- all require first responders to navigate campuses quickly.
"We always learn from situations," St. Louis County Police Department Chief of Police Kenneth Gregory said police learned about Central Visual and Performing Arts High School (CVPA). "They had a hard time finding which doors to get into," he said.
Many schools are a maze of hallways, doors and windows and not every first responder knows the building.
"We have seen when it comes to safety of our children, seconds can matter," St. Louis County Councilman Mark Harder told 5 On Your Side. "We needed to find a way to minimize the time it takes to get to the place where first responders are most needed."
Your child's school may already have a system to aid first responders.