“…Educational leaders need to instruct students and staff in the correct training methods of executing a lockdown procedure in preparation for an actual event (Dickson & Vargo, 2017). School district safety personnel may reproduce loud noises, screams, and knocking on classroom doors to create a semblance of reality to improve the success of the lockdown procedure (Stevens, Barnard-Brak, Roberts, Acosta, & Wilburn, 2020). Stevens et al (2020) noted, however, that lockdown drills should never be performed without prior notification to prevent confusion and potential harm to all involved.…”