A recent incident involving students has led to increased attention on safety protocols. New requirements have been put in place, including more planning and training. School districts are taking steps to ensure student safety, but more work may be needed.

Details about the measures being taken are limited, but officials from major districts will share their perspectives. They include police chiefs and public safety officials who will discuss their approaches to keeping students safe.

Further information will be available from a special report featuring interviews with these officials, which can be viewed on Sunday at 10:35 p.m.