JOHNSON CO, Ind. (WISH) — Across the country, there were 233 school shooting incidents last year, according to the K-12 School Shooting Database. That’s more than one a day. First responders in Johnson County are using summer break to train for the unthinkable, participating in a full-scale active shooter exercise.

It looked and felt like a real emergency at Indian Creek High School.

“It’s so surreal to be at my school that I go to that I feel safe in and experiencing what it would be like to have this actually happen because you don’t think that it’s going to happen, but it could,” Lilian Spencer said.

She participated in Tuesday’s county-wide simulated emergency response to a...