The purpose is to get honest feedback on working in your school or trust
This feedback is valuable, as you'll use it to understand where improvements should be made. Explain this when you invite someone to an exit interview, and thank them for taking the time to speak to you. Make sure this is explained in your exit policy too, if you have one.
Remember that employees can refuse to take part, as there's no statutory requirement.
How involved should governors be?
There's little strategic value in getting involved in every interview as a matter of course, though. Consider setting up a system where