WASHINGTON (AP) — FBI leaders and local law enforcement officials are studying shootings in schools to piece together trends and come up with ways to prevent future violence, officials said.

The FBI on Wednesday hosted a daylong session at its headquarters to discuss common warning signs of shooters, information sharing among law enforcement and response plans among schools.

"We can't allow ourselves to become numb to it," Josh Skule, the FBI's executive assistant director for intelligence, said in an interview. "We just cannot think that this is an acceptable way to live our lives, and so how...