Changing a Principal can be very significant for schools. Parents, staff and students will have many questions. When Wycliffe Christian School introduced their new Principal David Johnston they chose to create a video. This allows the Principal to be heard and seen. Rather than have him talking to camera he interacts with students of a variety of ages and answers their questions. They also explore the school facilities which acts as a promotion of the school.

As a Christian school they emphasise this aspect of the Principal's faith. Overall, I thought it was a very good production to reassure their current community, set expectations, not be overly formal, answer common questions and showcase the school. 
Do you have examples from your school of introducing a new Principal, or thanking one as they depart.