School Directory
| School/Organization | City | State | Country |
|---|---|---|---|
| Green Level High Schol | Cary | North Carolina | United States |
| Greenhill High School | Addison | Texas | United States |
| Greenhill Middle School | Addison | Texas | United States |
| Greensboro Day School | Greensboro | North Carolina | United States |
| Greenville University | Greenville | Illinois | United States |
| Greenwich Country Day School | Greenwich | Connecticut | United States |
| Griffith High School | Griffith | Indiana | United States |
| H.D. Woodson Senior High | Washington | District of Columbia | United States |
| Hamilton High School West | Hamilton | New Jersey | United States |
| Hampden Academy | Hampden | Maine | United States |
| Hampton Roads Academy | Yorktown | Virginia | United States |
| Hanover Central High School | Cedar Lake | Indiana | United States |
| Hanover High School | Hanover | New Hampshire | United States |
| Hanover-Horton Community Schools | Horton | Michigan | United States |
| Harnett Central High School | Angier | North Carolina | United States |
| Harrisonburg High School | Harrisonburg | Virginia | United States |
| Hattiesburg Public Schools - Hattiesburg High School, N. R. Burger Middle School | Hattiesburg | Mississippi | United States |
| Heathwood Hall | Columbia | South Carolina | United States |
| Hebron Christian Academy | Dacula | Georgia | United States |
| Hebron High School | Hebron | Indiana | United States |
| Helena Orthopedics Clinic Athletic Training | Helena | Montana | United States |
| Hellgate High School | Missoula | Montana | United States |
| Hempfield Area School District | Greensburg | Pennsylvania | United States |
| Hempstead High School | Hempstead | New York | United States |
| Hendrick Hudson High School | Montrose | New York | United States |
| Henry D. Sheldon High School | Eugene | Oregon | United States |
| Henry J. Kaiser High School | Honolulu | Hawaii | United States |
| Hereford High School | Hereford | Texas | United States |
| Heritage Hall High School | Oklahoma City | Oklahoma | United States |
| Hernando High School | Hernando | Mississippi | United States |
| Hershey High School | Hershey | Pennsylvania | United States |
| Hershey Public Schools | Hershey | Nebraska | United States |
| High Mowing School | Wilton | New Hampshire | United States |
| High Point Christian Academy | High Point | North Carolina | United States |
| Highland High School | Highland | Indiana | United States |
| Highland High School | Albuquerque | New Mexico | United States |
| Highland High School Albuquerque, NM | Albuquerque | New Mexico | United States |
| Highland Park ISD | Dallas | Texas | United States |
| Hillcrest High School | Riverside | California | United States |
| Hillcrest Lutheran Academy | Fergus Falls | Minnesota | United States |
| Hillsboro High School | Hillsboro | Missouri | United States |
| Hobart High School | Hobart | Indiana | United States |
| Hoffman Estates High School | Hoffman Estates | Illinois | United States |
| Hollidaysburg Area High School | Hollidaysburg | Pennsylvania | United States |
| Hollister High School | Hollister | California | United States |
| Holmen High School | Holmen | Wisconsin | United States |
| Holt High School | Holt | Michigan | United States |
| Hopkins School | New Haven | Connecticut | United States |
| Horace Greeley High School | Chappaqua | New York | United States |
| Housatonic Valley Regional HS | FALLS VILLAGE | Connecticut | United States |
| Howard W Blake High School | Tampa | Florida | United States |
| Hughes STEM High School | Cincinnati | Ohio | United States |
| Hunter College High School | New York | New York | United States |
| Ignacio High School | Ignacio | Colorado | United States |
| Incarnate Word Academy | St Louis | Missouri | United States |
| Independence High School | Glendale | Arizona | United States |
| Indian River High School | Chesapeake | Virginia | United States |
| Indian River High School | Dagsboro | Delaware | United States |
| International School of Brussels | Watermael-Boitsfort | Belgium | |
| Iowa City Regina High School | Iowa City | Iowa | United States |
| Iraan-Sheffield High School | Iraan | Texas | United States |
| Irmo High School | Columbia | South Carolina | United States |
| Ironwood High School | Glendale | Arizona | United States |
| Iroquois High School | Erie | Pennsylvania | United States |
| Irving High School - Irving ISD | Texas | Texas | United States |
| Irving Nimitz High School | Irving | Texas | United States |
| Island Trees High School | Levittown | New York | United States |
| JA Fair | Maumelle | Arkansas | United States |
| Jacksonville High School | Jacksonville | Arkansas | United States |
| James N. Gamble Montessori High School | Cincinnati | Ohio | United States |
| Jarrell ISD | Jarrell | Texas | United States |
| Jefferson High School | Tampa | Florida | United States |
| Jenks High School | Jenks | Oklahoma | United States |
| John Adams High School | South Bend | Indiana | United States |
| John F. Kennedy Educational Complex | Paterson | New Jersey | United States |
| John F. Kennedy High School | LA PALMA | California | United States |
| John H. Pitman High School | Turlock | California | United States |
| John R. Rogers High School | Spokane | Washington | United States |
| John W North High School | Riverside | California | United States |
| Johnsonville High School | Johnonville | South Carolina | United States |
| Jonas E. Salk Middle School | Levittown | New York | United States |
| Jonesville High School | Jonesville | Michigan | United States |
| Joplin High School | Joplin | Missouri | United States |
| Kamehameha Schools - Maui Campus | Pukalani | Hawaii | United States |
| Kankakee High School | kankakee | Illinois | United States |
| Kankakee Valley High School | Wheatfield | Indiana | United States |
| Katy High School | Katy | Texas | United States |
| Kearney High School | Kearney | Nebraska | United States |
| Keller High School | Keller | Texas | United States |
| Kelly Walsh High School | Casper | Wyoming | United States |
| Kenmore East High School | Tonawanda | New York | United States |
| Kentridge High School | Kent | Washington | United States |
| Kents Hill School | Kents Hill | Maine | United States |
| Kent’s Hill School | Kents Hill | Maine | United States |
| Kewaunee High School | Kewaunee | Wisconsin | United States |
| Keystone Oaks High School | Pittsburgh | Pennsylvania | United States |
| Kimball Union Academy | Meriden | New Hampshire | United States |
| Kimberly High School | Kimberly | Idaho | United States |
| King School | Stamford | Connecticut | United States |
| Kingswood Regional High School | Wolfeboro | New Hampshire | United States |