H top
- Hamilton Southeastern- Hamilton, IN
- Hamilton- Sussex, WI
- Hardin- Radcliff, KY
- Hargrave Military Academy- Chatham, VA
- Harrison- Harrison, OH
- Hartford Union- Hartford, WI
- Hartland- Hartland, MI
- Hatboro- Horsham, PA
- Hawaii Baptist Academy- Honolulu, HI
- Hawley- Hawley, MN
- Hays- Hays, KS
- Bishop Heelan- Sioux City, IA (unofficial)
- Hempfield Wrestling- Lancaster, PA
- Hendersonville- Hendersonville, TN
- Heritage Hills- Lincoln City, IN
- Herricks- New Hyde Park, NY
- Hettinger- Hettinger, ND
- Highland- Bakersfield, CA
- Highland Park- St. Paul, MN
- Highland Park- Dallas, TX (seasonal)
- Hill School- Pottstown, PA
- Hillcrest- Simpsonville, SC
- Hilton- Hilton, NY
- Hilltop- Chula Vista, CA
|
- Hingham- Hingham, MA
- Hinsdale Central- Darien, IL
- Hoffman Estates- Hoffman Estates, IL
- Holmen- Holmen, WI
- Holy Cross- New Orleans, LA
- Holy Innocents'- Atlanta, GA (unofficial)
- Hononegah- Hononegah, IL
- Hoopeston- Hoopeston, IL
- Herbert Hoover- Clendenin, WV
- Hopkins- Minnetonka, MN
- Hornell- Hornell, NY
- Houston- Germantown, TN
- Howard- Howard, SD
- Francis Howell- St. Charles, MO
- Hoxie- Hoxie, KS (general)
- Hughson- Hughson, CA
- Hunterdon Central- Flemington, NJ
- Huntingdon- Huntingdon, PA
- Huntington- Huntington, WV (unofficial)
- Huntington Beach- Huntington Beach, CA
- Huntsville- Huntsville, AL
- Huron- Huron?, SD
- Hurricane- Hurricane, UT
|
IJ top
- Independence- Independence, KS
- Indiana School for the Deaf- Indianapolis, IN
- Inglemoor- Kenmore, WA
- Ingraham- Seatle, WA
- Iolani- Honolulu, HI
- Irvington- Irvington, NY
- Isanti- Cambridge, MN
- Jamestown- Jamestown, ND
- John Jay- Hopewell Junction, NY
- Jefferson- Cedar Rapids, IA
|
- Jefferson- Elk Point, SD
- Jefferson- Jefferson, OH
- Jefferson- Alexandria, MN
- Jefferson- Shanandoah, WV
- Jersey Shore- ?, PA
- Jesuit- Carmichael, CA
- Jesuit- New Orleans, LA
- Jesuit College Prep School- Dallas, TX
- Johnson- Bethesda, MD
- Father Judge- Philadelphia, PA
- Juniata- Alexandria, PA (unofficial)
|
K top
- Kamiakin- Kennewick, WA (general)
- Mantorville- Kasson, MN
- Kell- Marietta, GA
- Kellogg- Wabash, MN
- Bishop Kelly- Tulsa, OK
- Kenilworth- Kenilworth, NJ
- Kennedy- Cedar Rapids, IA
- Kenston- Chagrin Falls, OH
- Kenton- Kenton, OH
- Keystone- Knox, PA
- Kiel- Kiel?, WI
|
- Killingly- Killingly, CT
- King Kekaulike- Maui, HI
- King's Academy- Sunnyvale, CA (seasonal)
- King's Fork- Suffolk, VA
- Kinkaid- Houston, TX
- Kiona-Benton- Benton City, WA
- Kirtland- Kirtland, NM
- Kiski- Saltsburg, PA (seasonal)
- Klahowya- Silverdale, WA
- Knox- Knox, IN
- Kokomo- Kokomo, IN
|
L top
- La Costa Canyon- La Costa, CA
- Lake Norman- Mooresville, NC
- Lakeside- Nine Mile Falls, WA
- Lakeview- St. Clair Shores, MI
- Landon- Landon, MD
- Laney- Wilmington, NC
- Langley- McLean, VA
- LaPorte- LaPorte, IN
- LaRue County- ?, KY
- LaSalle- Cincinnati, OH
- LaSalle-Peru- LaSalle, IL
- Laurel- Laurel, DE
- La Ville- Lakeville, IN
- Robert E. Lee- Baton Rouge, LA
- Leland- San Jose, CA
- LeMars- LeMars, IA
- Lexington- Lexington, SC
- Liberty- Bakersfield, CA
|
- Liberty- Liberty, SC
- Liberty- Renton, WA
- Licking Heights- Summit Station, OH
- Lincoln- Lincoln, CA
- Lincoln- Warren, MI
- Lincoln- Lincoln, KS
- Lincoln- Lincoln, NE
- Linton- Linton, ND
- Lisbon- Lisbon, ME
- Litchfield- Litchfield, IL
- Little Miami- Morrow, OH
- Logan- Logan, UT
- Logan Elm- Circleville, OH
- Los Alamitos- Los Alamitos, CA
- Los Altos- Los Altos, CA
- Louisville- Louisville, OH
- Loyola Blakefield- Towson, MD
|
M top
- Madison- Madison, NJ
- Madison- Madison, SD
- Magnolia- ?, CA
- Magruder- Rockville, MD
- Maine Central Institute- Pittsfield, ME
- Manheim- Manheim, PA
- Manson Northwest Webster- Manson, IA
- Manzano- Albuquerque, NM
- Maple Grove- Maple Grove, MN
- Maquoketa Valley- Delhi, IA
- Marian Catholic- Arlington Heights, IL
- Marion- Marion, IA
- Marquette- Chesterfield, MO
- Marshalltown- Marshalltown, IA
- Brother Martin- New Orleans, LA
- Maryland School for the Deaf- Frederick, MD
- Matawan- Matawan, NJ
- Mater Dei- Santa Ana, CA
- Mauldin- Mauldin, SC
- Maumee- Maumee, OH
- Mayer- Watertown, MN
- McEachern- Powder Springs, GA
- McGuffey- McGuffey, PA
- Medford- Medford, MN
- Memphis University School- Memphis, TN
- Mendham- Mendham, NJ
- Menlo-Atherton- Atherton, CA
- Mentor- Mentor, OH
- Mesa Verde- Citrus Heights, CA
|
- Metamora- Metamora, IL
- MFL MarMac- Clayton County, IA
- Miami Beach- Miami Beach, FL
- Middleton- Middleton, WI
- Midland- Wyoming, IA
- Bishop Miege- Shawnee Mission, KS
- Millard North- Omaha, NE
- Milpitas- Milpitas, CA
- Minnehaha Academy- Minneapolis, MN
- Mishawaka- Mishawaka, IN
- Mississinewa- Gas City, IN
- Archbishop Mitty- San Jose, CA
- MOC-Floyd Valley- Orange City, IA
- Monterey- Monterey, CA
- Monte Vista Christian- Watsonville, CA
- Montgomery-Bell- Montgomery, TN
- Moon Valley- Phoenix, AZ
- Morgan County- Madison, GA
- Thomas More- Milwaukee, WI
- Morristown-Hamblin West- Morristown, TN
- Mounds View- Arden Hills, MN
- Mount Juliet- Mount Juliet, TN
- Mount Si- Snoqualmie, WA
- Mount Vernon- Fort Ville, IN
- Mount Vernon- Mount Vernon, OH
- Mountain Vista- Highlands Ranch, CO
- Mundelein- Mundelein, IL
- Munster- Munster, IN
|
N top
- Napoleon- Napoleon, OH
- Natick- Natick, MA
- Nazareth Area- Nazareth, PA
- Newark- Newark, DE
- Newark Catholic- Newark, OH
- New Hartford- New Hartford, NY
- New Palestine- New Palestine, IN
- New Philadelphia- New Philadelphia, OH
- Newport- Newport, OR
- New Trier- Winnetka, IL
- Nicolet- Glendale, WI
- Nixa- Nixa, MO
- Nobles and Greenough School, Dedham, MA
- Norcross- Norcross, GA (unofficial)
- Norfolk Academy- Norfolk, VA
- Norris- Firth, NE
- North- Bakersfield, CA
- North- Millard, NE (unofficial)
- North Alleghany- North Alleghany, PA (unofficial)
|
- North Community- Minneapolis, MN
- North Forsyth- Dawsonville, GA
- North Gwinnette- Suwanee, GA
- North Kansas- North Kansas City, MO
- Northern Lehigh- Lehigh, PA
- North Eugene- Eugene, OR
- Northfield- Wabash, IN
- Northfield Mount Herman- Northfield, MA
- North Hardin- Radcliffe, KY
- North Knox- Bicknell, IN
- North Polk- Alleman, IA
- Northridge- Layton, UT
- Northview- Grand Rapids, MI
- Northwest- Shawnee Mission, KS
- Northwestern- Kokomo, IN (unoffcial)
- Northwestern Lehigh- Lehigh, PA
- Norton- Norton, KS
- Notre Dame- Quincy, IL
- Notre Dame Prep- Pontiac, MI
|
O top