| Lee L Driver Middle School | Winchester | Public school | 6–8 | 0 |
| Leesburg Elementary School | Leesburg | Public school | PK–6 | 0 |
| Legacy Learning Center | Indianapolis | Private school | PK–12 | 0 |
| Leo Elementary School | Leo | Public school | 4–6 | 0 |
| Leo Junior/Senior High School | Leo | Public school | 7–12 | 0 |
| Lester B Sommer Elementary School | Crawfordsville | Public school | PK–5 | 0 |
| Levan R Scott Academy | Fort Wayne | Public school | PK–5 | 0 |
| Lew Wallace School 107 - an Exploratory School | Indianapolis | Public school | PK–6 | 0 |
| Lewis Cass Elementary School | Walton | Public school | PK–5 | 0 |
| Lewis Cass High School | Walton | Public school | 9–12 | 0 |
| Lewis Cass Junior High School | Walton | Public school | 6–8 | 0 |
| Lewis Cass Polytechnic Academy | Galveston | Public school | 6–12 | 0 |
| Lexington Elementary School | Lexington | Public school | PK–5 | 0 |
| LH Carpenter Early Learning Center | Wabash | Public school | PK–K | 0 |
| Liberty Christian Academy | Seymour | Private school | K–12 | 0 |
| Liberty Christian Elementary | Anderson | Private school | PK–12 | 0 |
| Liberty Christian School | Anderson | Private school | 7–12 | 0 |
| Liberty Elementary School | Mishawaka | Public school | K–6 | 0 |
| Liberty Elementary School | Hobart | Public school | 1–5 | 0 |
| Liberty Elementary School | Chesterton | Public school | K–4 | 0 |
| Liberty Elementary School | Liberty | Public school | K–5 | 0 |
| Liberty Grove Schools | Indianapolis | Public school | K–6 | 0 |
| Liberty Intermediate School | Chesterton | Public school | 5–6 | 0 |
| Liberty Middle School | Chesterton | Public school | 7–8 | 0 |
| Liberty Park Elementary School | Indianapolis | Public school | K–4 | 0 |
| Lighthouse Christian Academy | Bloomington | Private school | PK–12 | 0 |
| Lillian Schmitt Elementary School | Columbus | Public school | PK–6 | 0 |
| Lillie Idella Kitley Intermediate | Indianapolis | Public school | 4–6 | 0 |
| Lincoln Amish School | Berne | Private school | 1–8 | 0 |
| Lincoln Elementary School | Bedford | Public school | K–6 | 0 |
| Lincoln Elementary School | Brownsburg | Public school | K–5 | 0 |
| Lincoln Elementary School | South Bend | Public school | PK–5 | 0 |
| Lincoln Elementary School | Roselawn | Public school | K–6 | 0 |
| Lincoln Elementary School | Warsaw | Public school | K–6 | 0 |
| Lincoln Elementary School | Cedar Lake | Public school | K–2 | 0 |
| Lincoln Elementary School | Fort Wayne | Public school | K–5 | 0 |
| Lincoln Elementary School | Huntington | Public school | PK–5 | 0 |
| Lincoln High School | Vincennes | Public school | 9–12 | 0 |
| Lincoln Junior High School | Plymouth | Public school | 7–8 | 0 |
| Lincoln Middle/ High School | Cambridge City | Public school | 7–12 | 0 |
| Lincoln Middle School | Indianapolis | Public school | 6–8 | 0 |
| Lincoln School | Evansville | Public school | K–8 | 0 |
| Lincoln Trail Elementary School | Lamar | Public school | PK–6 | 0 |
| Lindley Elementary School | Fort Wayne | Public school | PK–5 | 0 |
| Linton-Stockton Elementary | Linton | Public school | PK–5 | 0 |
| Linton-Stockton High School | Linton | Public school | 9–12 | 0 |
| Linton-Stockton Middle School | Linton | Public school | 6–8 | 0 |
| Little Alice Learning Center | Vinceness | Public school | PK | 0 |
| Little Flower Catholic School | Indianapolis | Private school | PK–8 | 0 |
| Little Learners Early Childhood Center | LaPorte | Public school | PK–K | 0 |