Final answer:
Lockdown drills in schools have benefits like increased preparedness for emergencies and improved safety awareness. However, concerns include potential psychological distress among students and a decrease in instructional time.
Step-by-step explanation:
Lockdown drills in schools have both benefits and concerns. Some benefits include increased preparedness for emergencies, improved safety awareness, and heightened security measures. However, there are also concerns such as potential psychological distress among students, a decrease in instructional time, and the risk of overexposing students to the drills. It's essential for schools to balance the benefits and concerns to ensure the safety and well-being of students.