Four regional experts were polled on all 14 of the state's championship division groups. These are the results, accompanied by analysis for each group.

Four regional experts were polled on all ten of the state's single-gender groups and all nine of the state's festival mixed groups. These are the results, accompanied by succinct wrap-ups of each season.

Two California choirs swipe wins off some of the best in the Midwest, plus Franklin Central takes a signature victory at the end of their season and Davenport Central triumphs in Florida.

PHOTO: Nathan Ensley | Three regional experts ranked 20 of Illinois' best groups across three divisions. These are the results.