Ok, you're actually correct. I'm so used to calling Southern IL SIUE, that's how I've actually referred
to them all year. Southern Illinois has two campuses. The one close to St Louis is in Edwardsville (SIUE), and I always refer to Southern Illinois as SIUE, even though the football team comes out of the Carbondale campus.
Probably kind of how people who don't pay a lot of attention to the state of Utah think the utes are the same school as USU