64 teams have registered:

• Andover (Bloomfield Hills, MI)
• Archbishop Rummel (Metairie, LA)
• Bentley (Lafayette, CA)
• Bloomfield A (Bloomfield, NJ)
• Bloomfield B (Bloomfield, NJ)
• Booker T. Washington (Tulsa, OK)
• Brookwood (Snellville, GA)
• Caddo Magnet (Shreveport, LA)
• Capistrano Valley A (Mission Viejo, CA)
• Capistrano Valley B (Mission Viejo, CA)
• Charlottesville (Charlottesville, VA)
• Christian Fellowship Homeschool (Edmond, OK)
• Cistercian (Irving, TX)
• Clover Hill (Midlothian, VA)
• Columbia (Maplewood, NJ)
• Conserve A (Land O' Lakes, WI)
• Conserve B (Land O' Lakes, WI)
• Cutter Morning Star (Hot Springs, AR; SS)
• Dana Hills (Dana Point, CA)
• Detroit Catholic Central (Novi, MI)
• Dorman A (Roebuck, SC)
• Dorman B (Roebuck, SC)
• Dunbar (Lexington, KY)
• Edmond Memorial (Edmond, OK)
• Enid (Enid, OK)
• Estherville Lincoln (Estherville, IA; SS)
• Hardee (Wauchula, FL)
• Hilldale (Muskogee, OK; SS)
• Irmo (Columbia, SC)
• Isidore Newman (New Orleans, LA)
• Johnson Central (Paintsville, KY)
• Kent City (Kent City, MI; SS)
• Macon Central (Macon, GA)
• Maggie Walker Governor's School (Richmond, VA)
• Menlo-Atherton (Atherton, CA)
• Millburn A (Millburn, NJ)
• Millburn B (Millburn, NJ)
• Mission San Jose (Fremont, CA)
• Pinewood Prep (Summerville, SC)
• Plano East (Plano, TX)
• Princess Anne (Virginia Beach, VA)
• Regina (Iowa City, IA)
• Robbinsdale Armstrong (Plymouth, MN)
• Rufus King (Milwaukee, WI)
• Russellville (Russellville, AL)
• Shady Side (Pittsburgh, PA)
• Shawnee Scholars
• Solon (Solon, OH)
• St. Andrew's (Ridgeland, MS)
• St. John's A (Houston, TX)
• St. John's B (Houston, TX)
• St. Stephen's (Austin, TX)
• State College A (State College, PA)
• State College B (State College, PA)
• Taylor County (Perry, FL; SS)
• Thomas Jefferson Science & Tech A (Alexandria, VA)
• Thomas Jefferson Science & Tech B (Alexandria, VA)
• Waller (Waller, TX)
• Wausau West (Wausau, WI)
• Wayland (Beaver Dam, WI)
• White Cloud A (White Cloud, MI; SS)
• White Cloud B (White Cloud, MI; SS)
• William S. Hart (Newhall, CA)
• Winfield Scholars

The teams marked by “SS” are eligible for the Small School title.