For anyone in-the-know regarding divisions, it appears that the first 3 choirs are in the Middle School Division. O'Fallon through Troy Buchanan appear to be Prep Division. And everything from Marquette onward looks like it would be the Advanced Mixed Division?
Some of the schools attending the Crete-Monee Spectacular this year!
Danville High School
Glemwood High School
Manteno High School
Mundelein High School
O'Fallon Township High School
Pekin Community High School
Troy Buchanan High School (MO)
Wheaton North High School