A Demonstration Event is one that does not count toward the team total of rank points at the tournament. In this way it does not affect (help or hurt) a team's ability to win a team-level trophy.
We routinely put a new event in this category as we learn how to run it well, and consider if it should become a main-line event.
Codebusters has been run as an event in the Middle School and High School divisions for the past couple of years across all states. It also has been run at the Elementary level in North Carolina, where this event originated. You might notice that several of the key study resources come from the North Carolina program. We appreciate their support.
Yes. Students will compete for individual medals.
The organization of those medals by division, and how many places are awarded will depend on how many teams participate.