A school-based mass casualty attack at Apalachee High School in Winder, Georgia, left 4 people dead and 9 injured. School staff and law enforcement moved quickly to secure the campus, deliver emergency medical care, and evacuate students and faculty.

The response required unified coordination among school officials, law enforcement, fire/EMS, emergency management, and state and federal partners, highlighting the importance of preparedness, rapid intervention, casualty management, family reunification, and long-term recovery.

A mass shooting at Abundant Life Christian School in Madison, Wisconsin, resulted in 3 deaths, including the 15-year-old shooter, and 6 injuries. School staff and first responders rapidly secured the campus, treated victims, and coordinated student reunification.

The incident underscored the need for unified command across school officials, law enforcement, fire/EMS, communications, emergency management, and investigative partners, with key lessons in public information, casualty management, family reunification, and community recovery.

On May 26, 2021, a mass shooting occurred at the Santa Clara Valley Transportation Authority (VTA) Guadalupe Division railyard in San José, California. An employee opened fire during an early morning shift meeting, killing 9 coworkers and injuring 1 other employee before taking his own life as law enforcement officers arrived on scene.

The incident required a coordinated response involving local law enforcement, fire and EMS, emergency communications, emergency management, federal investigative agencies, and transit officials. Responders secured the active-threat scene, provided lifesaving medical care, coordinated victim transport, managed a large and complex crime scene, conducted employee accountability and family reunification efforts, and supported the long-term recovery of the workforce and community.