Of course, Collinwood would not have got past Huntingdon either. As far as advertising, if you are wanting people to move to your community and then go out of your way to promote your schools then guess what? You're actually going after more students. That's not too hard to see.
As far as the Nashville Privates advertising, how else are they to get students? Having been associated with private schools in the past, I can tell you that you can't ever take enrollment for granted. The moment you do, your school is in decline. That's a problem public schools will never have, unless of course, you see school choice in TN.