Click on your Centre Profile icon at the top left corner of your screen

A dropdown box will appear go ahead and select "Team Settings"

Next select "Philosophy"

Under "Team influences" select "Edit"

Go ahead and select "Custom" and enter into the "My Team's Philosophy" message composer to add in your Centre's Philosophy. Lastly click "Update" to make those changes.

This means that once you've set it at your centre level, it will be deployed across all documentation as appropriate, ensuring that the Centre's philosophy is included.