After three playoff games each decided by a single run, Bonduel broke open the bats in the sectional championship game, defeating St. Mary Catholic 6-0 on June 4.
The win propels the Bears in the state tournament June 11 at Neuroscience Group Field at Fox Cities Stadium, Grand Chute, the home of the Wisconsin Timber Rattlers, High-A affiliate of the Milwaukee Brewers.
The other three Division 3 state qualifiers are Aquinas, Cumberland and Kenosha St. Joseph Catholic.
All teams will be seeded the evening of June 5.