Indiana's state championship at Gainbridge Fieldhouse in Indianapolis. Class finals (1A-4A) played across one weekend in late March. The Indiana state finals have run continuously since 1911 — one of the longest unbroken state-tournament traditions in American sports.
National Prep Tournament in Fort Walton Beach, Florida takes both high school and post-grad programs. Applications stay open through October 31. If you want a competitive early-March slot without invitation-only barriers, this is the one to apply for.