200 teams have registered:

• Adair County (Columbia, KY)
• Adlai E. Stevenson (Lincolnshire, IL)
• Ames A (Ames, IA)
• Ames B (Ames, IA)
• Arcadia (Arcadia, CA)
• Bainbridge (Bainbridge, GA)
• Bauxite (Bauxite, AR; SS)
• Bellarmine College Prep (San Jose, CA)
• Bellefontaine (Bellefontaine, OH)
• Bellevue (Bellevue, WA)
• Benton (Benton, AR)
• Bergen Academies A (Hackensack, NJ)
• Bergen Academies B (Hackensack, NJ)
• Berkeley High (Berkeley, CA)
• Bishop Carroll (Wichita, KS)
• Brookwood A (Snellville, GA)
• Brookwood B (Snellville, GA)
• Brophy College Prep A (Phoenix, AZ)
• Brophy College Prep B (Phoenix, AZ)
• C. Milton Wright (Bel Air, MD)
• Caesar Rodney (Camden, DE)
• Cape Girardeau Central (Cape Girardeau, MO)
• Carbondale (Carbondale, IL)
• Centennial (Roswell, GA)
• Chanhassen (Chanhassen, MN)
• Chariton (Chariton, IA; SS)
• Chaska (Chaska, MN)
• Chatham Glenwood (Chatham, IL)
• Chattahoochee A (Johns Creek, GA)
• Chattahoochee B (Johns Creek, GA)
• Cheshire (Cheshire, CT)
• Cistercian A (Irving, TX)
• Cistercian B (Irving, TX)
• Claremore (Claremore, OK)
• Clayton (Clayton, MO)
• Culver (Culver, IN)
• Cumberland Valley (Mechanicsburg, PA)
• Danville (Danville, KY; SS)
• DeLaSalle A (Minneapolis, MN)
• DeLaSalle B (Minneapolis, MN)
• DeLaSalle C (Minneapolis, MN)
• Detroit Catholic Central A (Novi, MI)
• Detroit Catholic Central B (Novi, MI)
• Detroit Country Day (Beverly Hills, MI)
• DeWitt (DeWitt, MI)
• Dorman A (Roebuck, SC)
• Dorman B (Roebuck, SC)
• Drummond (Drummond, OK; SS)
• Dunbar A (Lexington, KY)
• Dunbar B (Lexington, KY)
• duPont Manual (Louisville, KY)
• E. O. Smith (Storrs-Mansfield, CT)
• Eden Prairie A (Eden Prairie, MN)
• Eden Prairie B (Eden Prairie, MN)
• Edmond Santa Fe (Edmond, OK)
• Ezell-Harding (Antioch, TN)
• Farragut (Knoxville, TN)
• Fisher Catholic (Lancaster, OH)
• Franklin A (El Paso, TX)
• Franklin B (El Paso, TX)
• Franklin C (El Paso, TX)
• Georgetown Day A (Washington, DC)
• Georgetown Day B (Washington, DC)
• Glasgow (Glasgow, MO; SS)
• Grand Junction (Grand Junction, CO)
• Grayson County (Leitchfield, KY)
• Green Hope (Cary, NC)
• Grosse Pointe North (Grosse Pointe Woods, MI)
• Half Hollow Hills West (Dix Hills, NY)
• Helias (Jefferson City, MO)
• Hickman (Columbia, MO)
• Highland Park (Dallas, TX)
• Hoover (Hoover, AL)
• Hopkins (Minnetonka, MN)
• Hume-Fogg (Nashville, TN)
• Irondale (New Brighton, MN)
• Kate Smith DAR (Grant, AL; SS)
• Kellenberg A (Uniondale, NY)
• Kellenberg B (Uniondale, NY)
• Keystone Oaks (Pittsburgh, PA)
• Kingfisher (Kingfisher, OK; SS)
• La Crosse Logan (La Crosse, WI)
• La Follette (Madison, WI)
• La Jolla A (La Jolla, CA)
• La Jolla B (La Jolla, CA)
• Ladue (St. Louis, MO)
• Lafayette (Lafayette, LA)
• Lakeside (Seattle, WA)
• LASA A (Austin, TX)
• LASA B (Austin, TX)
• LASA C (Austin, TX)
• Latin School (Chicago, IL)
• Lawrence County (Monticello, MS; SS)
• Lebanon (Lebanon, NH)
• Lexington (Lexington, OH)
• Lisgar A (Ottawa, ON, Canada)
• Lisgar B (Ottawa, ON, Canada)
• Livingston A (Livingston, NJ)
• Livingston B (Livingston, NJ)
• Livonia Churchill (Livonia, MI)
• Lowellville (Lowellville, OH; SS)
• Loyola Academy (Wilmette, IL)
• Maggie Walker Governor's School (Richmond, VA)
• McMinn Central (Englewood, TN)
• Mercersburg Academy (Mercersburg, PA)
• Meridian (Falls Church, VA; SS)
• Minnetonka (Minnetonka, MN)
• Mission San Jose A (Fremont, CA)
• Mission San Jose B (Fremont, CA)
• MLK Magnet (Nashville, TN)
• Montverde (Montverde, FL)
• Moravian Academy (Bethlehem, PA)
• Mounds Park (St. Paul, MN)
• New Berlin (New Berlin, IL; SS)
• New Trier (Winnetka, IL)
• Newtown (Sandy Hook, CT)
• North Babylon A (North Babylon, NY)
• North Babylon B (North Babylon, NY)
• North Carolina Science and Math (Durham, NC)
• North Cedar (Stanwood, IA; SS)
• North Kansas City (North Kansas City, MO)
• North White (Monon, IN; SS)
• Northmont (Clayton, OH)
• Novi A (Novi, MI)
• Novi B (Novi, MI)
• Oak Park-River Forest (Oak Park, IL)
• Oak Ridge (Oak Ridge, TN)
• Olmsted Falls A (Olmsted Falls, OH)
• Olmsted Falls B (Olmsted Falls, OH)
• Parkview Arts and Science (Little Rock, AR)
• Parkway Central (Chesterfield, MO)
• Penn (Mishawaka, IN)
• Pensacola (Pensacola, FL)
• Pilot Grove (Pilot Grove, MO; SS)
• Plymouth (Canton, MI)
• Prosper (Prosper, TX)
• Providence Day (Charlotte, NC)
• Quince Orchard (Gaithersburg, MD)
• Raleigh Charter A (Raleigh, NC)
• Raleigh Charter B (Raleigh, NC)
• Rancho Bernardo (San Diego, CA)
• Ranney (Tinton Falls, NJ)
• Ransom Everglades (Coconut Grove, FL)
• Riverside Brookfield (Riverside, IL)
• Robbinsdale Cooper (New Hope, MN)
• Rock Bridge (Columbia, MO)
• Rockford Auburn A (Rockford, IL)
• Rockford Auburn B (Rockford, IL)
• Rockford Auburn C (Rockford, IL)
• Rocky Grove (Franklin, PA; SS)
• Russell (Russell, KY; SS)
• Saint Joseph (South Bend, IN)
• Saint Viator (Arlington Heights, IL)
• Salem (Salem, MO; SS)
• Santa Monica (Santa Monica, CA)
• Savannah (Savannah, MO)
• Seton Hall Prep (West Orange, NJ)
• Seven Lakes A (Katy, TX)
• Seven Lakes B (Katy, TX)
• Shady Side (Pittsburgh, PA)
• Simon Kenton (Independence, KY)
• Sioux Falls Home School A (Sioux Falls, SD)
• Sioux Falls Home School B (Sioux Falls, SD)
• Solon (Solon, OH)
• South Range (Canfield, OH; SS)
• St. Andrew's A (Ridgeland, MS)
• St. Andrew's B (Ridgeland, MS)
• St. Ignatius (Chicago, IL)
• St. John Paul II (Huntsville, AL)
• St. John's (Houston, TX)
• St. Joseph (Metuchen, NJ)
• St. Mark's School of Texas (Dallas, TX)
• St. Paul Central (St. Paul, MN)
• St. Thomas Academy (Mendota Heights, MN)
• State College A (State College, PA)
• State College B (State College, PA)
• Stoughton (Stoughton, WI)
• Sycamore (Cincinnati, OH)
• Temple (Temple, TX)
• Thomas Jefferson Science & Tech (Alexandria, VA)
• Tippecanoe (Tipp City, OH)
• Torrey Pines (San Diego, CA)
• Treasure Valley (Boise, ID)
• Troy (Troy, MI)
• University High (Irvine, CA)
• Vermillion (Vermillion, SD; SS)
• Villa Duchesne (St. Louis, MO)
• Walnut Hills (Cincinnati, OH)
• Walt Whitman (Bethesda, MD)
• Walter Johnson (Bethesda, MD)
• Walton (Marietta, GA)
• Warren G. Harding (Warren, OH)
• Wayzata A (Plymouth, MN)
• Wayzata B (Plymouth, MN)
• Wheaton Warrenville South (Wheaton, IL)
• White Cloud (White Cloud, MI; SS)
• Williamson (Williamson, NY; SS)
• Wilmington Charter A (Wilmington, DE)
• Wilmington Charter B (Wilmington, DE)
• Wilmington Charter C (Wilmington, DE)

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