Agagooga has a long post (wait, all his posts are long) on Total Defence, the Top 10 Vestigial Organs, his hair length (on the head lah), and this gem about titles.
Well, to add to your list and some premier schools don't just have principals, they have CEOs. Oh, and Singapore has Mayors.
The Normal Technical stream in Yishun Town Secondary School has a Dean. Now the concept of a Chicken Executive Officer in KFC doesn't sound quite so ridiculous.
What an age we live in, where we have Bus "Captains" and Walmart has "Associates" whom they screw anyway despite their fancy title.