54 teams have registered:

• Adair (Adair, OK)
• Arcadia (Arcadia, CA)
• Benton (Benton, AR)
• Booker T. Washington (Tulsa, OK)
• Boone (Boone, IA)
• Brookwood A (Snellville, GA)
• Brookwood B (Snellville, GA)
• Caddo Magnet (Shreveport, LA)
• Capistrano Valley (Mission Viejo, CA)
• Capital (Olympia, WA)
• Cedar Rapids Kennedy (Cedar Rapids, IA)
• Cistercian A (Irving, TX)
• Cistercian B (Irving, TX)
• Clear Lake (Houston, TX)
• Cookeville (Cookeville, TN)
• Cutter Morning Star (Hot Springs, AR; SS)
• Derby (Derby, KS)
• Detroit Catholic Central (Novi, MI)
• Detroit Country Day (Beverly Hills, MI)
• Dorman (Roebuck, SC)
• Drummond A (Drummond, OK; SS)
• Drummond B (Drummond, OK)
• Drummond C (Drummond, OK)
• Edmond Memorial (Edmond, OK)
• Eufaula (Eufaula, OK)
• Fort Mill (Fort Mill, SC)
• Hartland (Hartland, MI)
• Henry County (McDonough, GA)
• Houston Memorial (Houston, TX)
• Irmo (Columbia, SC)
• Isidore Newman (New Orleans, LA)
• Kent City (Kent City, MI; SS)
• Livonia Churchill (Livonia, MI)
• Los Alamitos (Los Alamitos, CA)
• Maggie Walker Governor's School A (Richmond, VA)
• Maggie Walker Governor's School B (Richmond, VA)
• Northwest Penn Collegiate (Erie, PA)
• Parkview (Lilburn, GA)
• Pe Ell (Pe Ell, WA)
• Ransom Everglades (Coconut Grove, FL)
• Riverdale (Murfreesboro, TN)
• Rock Creek (Bokchito, OK)
• St. Andrew's (Ridgeland, MS)
• St. John's (Houston, TX)
• St. Stephen's A (Austin, TX)
• St. Stephen's B (Austin, TX)
• State College A (State College, PA)
• State College B (State College, PA)
• Stockbridge (Stockbridge, MI)
• Thomas Jefferson Science & Tech A (Alexandria, VA)
• Thomas Jefferson Science & Tech B (Alexandria, VA)
• Trinity School (New York, NY)
• Wayland (Beaver Dam, WI)
• Ysleta (El Paso, TX)

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