The schedule for the Wisconsin Varsity Invitational on July 15/16 in Waukesha County has been released: http://www.tourneymachine.com/R30020.
Rules/notes can be found in the Tournaments section of the website (and within the Tourney Machine app).
The Wisconsin Varsity Invitational features 72 of the top high school programs in Wisconsin, split into Large, Medium, and Small divisions. Each team plays 3 stopped-clock games on Saturday and 2 stopped-clock games on Sunday, with the teams advancing to the championship getting an additional game on Sunday.