Focus on educational theories and their applications to a philosophy will encompass everything you plan. A vision statement should be unique. Most vision statements can be interchangeable with any school's name. Try to make it unique to your school and your community. Scenarios are a form of visioning which will help you form your ideas for the future of your site.
Scenario thinking is a structured process for gazing into the future.
The intent is to end up with a set of decisions or directions that would be most beneficial no matter how the future unfolds. Scenario thinking is away to look at and plan for future developments, rather than be the passive victim of change.