These are some examples that provide ideas about the kinds of communication tools that can influence an audience. Usually a combination of tools will work best.
Each example will need to be expanded and developed to suit the audience you want to communicate to.
Many if not most people will take more notice of communication products produced by children compared with expensive advertising material.
These are just ideas. It is up to the school to provide guidance and direction about which tools are appropriate and how they can be used.