Prior research suggests even moderate background noise above 65 decibels ... “this study reveals most noise actually comes from inside the school, such as door slamming or yelling.” ...

WATSONVILLE, California (KSBW) — Principal Nikki Daniels from Monte Vista Christian School says that three ... to cameras monitoring activity inside and outside the van.

(WKRN) — Days after the shooting at The Covenant School, the newly-released 911 calls from inside Nashville school ... as many gunshots are heard in the background. The calls are difficult ...