School List [J-L]
- Jac-Cen-Del MS/HS - Osgood, IN
- James E Davis School - Lebanon, IN
- Jasper High School - Jasper, IN
- Jay County High School - Portland, IN
- Jefferson High School - Lafayette, IN
- Jeffersonville High School - Jeffersonville, IN
- Jennings County High School - North Vernon, IN
- Jimtown High School - Elkhart, IN
- John Glenn High School - Walkerton, IN
- John Marshall Community High School - Indianapolis, IN
- John Paul II Catholic High Sch - Terre Haute, IN
- Joint Service Campus Program - Mishawaka, IN
- Kankakee Valley High School - Wheatfield, IN
- Key Learning Community High School - Indianapolis, IN
- Kingdom Academy of Bluffton Inc - Bluffton, IN
- Knightstown High School - Knightstown, IN
- Knox Community High School - Knox, IN
- Kokomo High School - Kokomo, IN
- Kouts Middle/High School - Kouts, IN
- LaCrosse School - LaCrosse, IN
- Lake Central High School - Saint John, IN
- Lakeland Christian Academy - Winona Lake, IN
- Lakeland High School - LaGrange, IN
- Lakewood Park Christian Sch - Auburn, IN
- Lanesville Jr-Sr High School - Lanesville, IN
- Lapel Sr High School - Lapel, IN
- LaPorte High School - LaPorte, IN
- LaVille Jr-Sr High School - Lakeville, IN
- Lawrence Central High School - Indianapolis, IN
- Lawrence North High School - Indianapolis, IN
- Lawrenceburg High School - Lawrenceburg, IN
- Lebanon Senior High School - Lebanon, IN
- Leo Junior/Senior High School - Leo, IN
- Lew Wallace (Sci-Tech-Eng-Math) - Gary, IN
- Lewis Cass Jr-Sr High School - Walton, IN
- Liberty Christian School - Anderson, IN
- Lighthouse Christian Academy - Bloomington, IN
- Lincoln High School - Vincennes, IN
- Lincoln Sr High Sch - Cambridge City, IN
- Linton-Stockton High School - Linton, IN
- Logansport Community High School - Logansport, IN
- Loogootee High School - Loogootee, IN
- Lowell Senior High School - Lowell, IN
- Lutheran High School - Indianapolis, IN
