The Division 1 State Champion for 2015 was the Divine Savior Holy Angels, according to WIAA.org. They beat out D.C. Everest 64 to 29 on March 14, 2015.
There were five divisions in the 2015 WIAA State Girls Basketball Tournament. The Division 1 champion was Divine Savior Holy Angels, against D.C. Everest. The Division 2 champion was Pius XI, against Cedarburg. The Division 3 champion was Whitewater, against Xavier. The Division 4 champion was Cuba City, against Fall Creek. The Division 5 champion was Barneveld against Assumption. The 3 day tournament was held in Resch Center, Green Bay, Wis. between March 12 and 14 of March, 2015.