Every verified December basketball tournament we track in California — high school and post-grad. All 3 events below, sorted alphabetically.
Each card shows the host city, exact dates if confirmed, division (HS or post-grad), and where to register. Want a wider net? See every tournament in California, or browse the full national calendar.
Rancho Mirage and Shadow Hills HS, the week between Christmas and New Year's. 117 teams across 11 divisions — the 16-team Open is the national-draw bracket, and the lower divisions are how regional programs actually get a competitive holiday tournament. Slam dunk and 3-point contests run during semifinal play.
Tournament details →Hosted at Damien High School in La Verne, CA. 9th edition in 2025. Massive field — 144 teams across 9 divisions, played at Damien plus other area gyms over five days. SoCal basketball density makes it a go-to for both California and visiting programs.
Tournament details →San Diego, last week of December. Five brackets played across six county high schools — National at Torrey Pines, American at St. Augustine, Senator's at Carlsbad, Governor's at Rancho Buena Vista, Mayor's at El Camino. Teams from 12 states fill the field. National Division is the showcase; lower brackets give SoCal mid-tier programs a real holiday event without being overmatched.
Tournament details →National Prep Tournament · March 6–8, 2026
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.
Apply for the National Prep Tournament →