Identify a recent school lockdown incident and discuss its immediate impact on students’ mental health, using data or expert commentary to substantiate your points. Compare this with historical trends to highlight any shifts in the psychological effects on students over time. Incorporate the perspectives of parents and school counselors to provide a holistic view of the challenges faced by the school community. Explore potential policy changes or technological advancements that could mitigate these impacts, ensuring a balance between safety and education. Finally, propose strategies for building resilience in students to better equip them for such events in the future.