| Name |
County |
| La Crosse High School |
LaPorte County |
| La Lumiere School |
LaPorte County |
| La Porte County Career and Technical Education A K Smith Career Center |
LaPorte County |
| La Porte High School |
LaPorte County |
| Lake Central High School |
Lake County |
| Lapel High School |
Madison County |
| Lawrence Central High School |
Marion County |
| Lawrence North High School |
Marion County |
| Lawrenceburg High School |
Dearborn County |
| Lebanon High School |
Boone County |
| Liberty Christian School |
Madison County |
| Lincoln High School |
Wayne County |
| Lincoln High School |
Knox County |
| Linton - Stockton High School |
Greene County |
| Logansport High School |
Cass County |
| Loogootee High School |
Martin County |
| Lowell High School |
Lake County |
| Lutheran High School |
Marion County |
| Maconaquah High School |
Miami County |
| Madison Consolidated High School |
Jefferson County |
| Manchester Junior - Senior High School |
Wabash County |
| Marian High School |
St. Joseph County |
| Marion High School |
Grant County |
| Marquette Catholic High School |
LaPorte County |
| Martinsville High School |
Morgan County |
| Mater Dei High School |
Vanderburgh County |
| McCutcheon High School |
Tippecanoe County |
| McKenzie Center for Innovation and Technology |
Marion County |
| McLean Education Center |
Vigo County |
| Medora Junior - Senior High School |
Jackson County |
| Merrillville High School |
Lake County |
| Michigan City High School |
LaPorte County |
| Milan High School |
Ripley County |
| Mishawaka High School |
St. Joseph County |
| Mississinewa High School |
Grant County |
| Mitchell High School |
Lawrence County |
| Monroe Central Junior Senior High School |
Randolph County |
| Monrovia High School |
Morgan County |
| Mooresville High School |
Morgan County |
| Morristown Junior / Senior High School |
Shelby County |
| Morton High School |
Lake County |
| Mount Vernon High School |
Hancock County |
| Mount Vernon High School |
Posey County |
| Muncie Central High School |
Delaware County |
| Munster High School |
Lake County |
| New Albany High School |
Floyd County |
| New Castle High School |
Henry County |
| New Haven High School |
Allen County |
| New Palestine High School |
Hancock County |
| New Prairie High School |
LaPorte County |
| New Tech Institute |
Vanderburgh County |
| Noblesville High School |
Hamilton County |
| North Central High School |
Sullivan County |
| North Central High School |
Marion County |
| North Daviess Junior Senior High School |
Daviess County |
| North Harrison High School |
Harrison County |
| North High School |
Vanderburgh County |
| North Miami Middle / High School |
Miami County |
| North Montgomery High School |
Montgomery County |
| North Posey High School |
Posey County |
| North Putnam High School |
Putnam County |
| North Side High School |
Allen County |
| Northeast Dubois High School |
Dubois County |
| Northeastern High School and Junior High School |
Wayne County |
| Northfield Junior - Senior High School |
Wabash County |
| Northridge High School |
Elkhart County |
| Northrop High School |
Allen County |
| Northview High School |
Clay County |
| Northwest High School |
Marion County |
| Northwestern High School |
Howard County |
| NorthWood High School |
Elkhart County |
| Norwell High School |
Wells County |
| Oak Hill High School |
Grant County |
| Oldenburg Academy of the Immaculate Conception |
Franklin County |
| Options Charter School - Carmel |
Hamilton County |
