96 teams have registered:

• All Saints (Broken Arrow, OK)
• Autrey Mill (Johns Creek, GA)
• Barrington Middle-Station A (Barrington, IL)
• Barrington Middle-Station B (Barrington, IL)
• Barrington Middle-Station C (Barrington, IL)
• Bate (Danville, KY)
• Beacon Hill (Decatur, GA)
• Benjamin Franklin (Ridgewood, NJ)
• Berry (Hoover, AL)
• Black Mountain (San Diego, CA)
• Briarcliff A (Mountain Lakes, NJ)
• Briarcliff B (Mountain Lakes, NJ)
• Brookville (Brookville, PA)
• Campbell County (Alexandria, KY)
• Centennial (Lino Lakes, MN)
• Challenger-Berryessa (San Jose, CA)
• Challenger-Sunnyvale (Sunnyvale, CA)
• Chisholm (Enid, OK)
• Creekland Cherokee A (Canton, GA)
• Creekland Cherokee B (Canton, GA)
• Daniel Wright (Lincolnshire, IL)
• Detroit Country Day A (Beverly Hills, MI)
• Detroit Country Day B (Beverly Hills, MI)
• Eden Prairie Central (Eden Prairie, MN)
• Fairview (Tallahassee, FL)
• Greenhill (Addison, TX)
• Hawken (Gates Mills, OH)
• Henderson (Atlanta, GA)
• Holden (Holden, MO)
• Huntley (DeKalb, IL)
• Independence A (Newark, DE)
• Independence B (Newark, DE)
• Independence C (Newark, DE)
• Kealing A (Austin, TX)
• Kealing B (Austin, TX)
• Kealing C (Austin, TX)
• Keith Country Day A (Rockford, IL)
• Keith Country Day B (Rockford, IL)
• Lincoln (Schiller Park, IL)
• Lively A (Austin, TX)
• Lively B (Austin, TX)
• Longfellow A (Falls Church, VA)
• Longfellow B (Falls Church, VA)
• Lost Mountain (Kennesaw, GA)
• Louisville Classical (Louisville, KY)
• Maclay A (Tallahassee, FL)
• Maclay B (Tallahassee, FL)
• Mesa Verde (San Diego, CA)
• Middlesex A (Darien, CT)
• Middlesex B (Darien, CT)
• Middlesex C (Darien, CT)
• Mounds Park A (St. Paul, MN)
• Mounds Park B (St. Paul, MN)
• Mounds Park C (St. Paul, MN)
• Mount Nittany (State College, PA)
• Nativity of Our Lord A (St. Paul, MN)
• Nativity of Our Lord B (St. Paul, MN)
• Newark Charter (Newark, DE)
• Paideia (Atlanta, GA)
• Paintsville (Paintsville, KY)
• Plum Grove A (Rolling Meadows, IL)
• Plum Grove B (Rolling Meadows, IL)
• Quest Academy A (Palatine, IL)
• Quest Academy B (Palatine, IL)
• Quest Academy C (Palatine, IL)
• River Trail (Johns Creek, GA)
• Robinson (Charlotte, NC)
• Saint Andrew's (Saratoga, CA)
• Seventy-First Classical (Fayetteville, NC)
• Smith (Chapel Hill, NC)
• Somerset (Somerset, PA)
• St. Augustine (Elkridge, MD)
• St. John's (Houston, TX)
• St. Mark's School of Texas (Dallas, TX)
• St. Mary's Visitation (Elm Grove, WI)
• St. Michael A (Livonia, MI)
• St. Michael B (Livonia, MI)
• St. Monica A (Dallas, TX)
• St. Monica B (Dallas, TX)
• St. Patrick (White Lake, MI)
• St. Raymond (Mount Prospect, IL)
• St. Therese (Deephaven, MN)
• St. Thomas Academy (Mendota Heights, MN)
• Thomas Jefferson Classical (Mooresboro, NC)
• Thurgood Marshall A (Rockford, IL)
• Thurgood Marshall B (Rockford, IL)
• Trickum (Lilburn, GA)
• Washington A (Washington, MO)
• Washington B (Washington, MO)
• Wayzata East (Plymouth, MN)
• Weaubleau (Weaubleau, MO)
• Westminster A (Atlanta, GA)
• Westminster B (Atlanta, GA)
• Westmont Hilltop A (Johnstown, PA)
• Westmont Hilltop B (Johnstown, PA)
• Westmont Hilltop C (Johnstown, PA)

The field is limited to 96 teams.