| Abbreviation | Definition |
|---|---|
| LMHS | Lower Merion High School |
| LMJH | Little Miami Junior High (Ohio) |
| LMMS | Leavelle McCampbell Middle School |
| LMMS | Lost Mountain Middle School |
| LMMS | Lost Mountain Middle School's |
| LMMS | Lower Macungie Middle School |
| LMOS | Lalaji Memorial OMEGA School |
| LMPS | Lebanese Modern Progression School |
| LMPS | Lytchett Matravers Primary School |
| LMS | Ladue Middle School |
| LMS | LaVergne Middle School |
| LMS | Leander Middle School |
| LMS | Lebanon Middle School |
| LMS | Lennox Middle School |
| LMS | Liberty Middle School |
| LMS | Lionville Middle School |
| LMS | Local Management of Schools |
| LMS | Louisville Middle School |
| LMSD | Linn McDonald School of Dance |
| LMSH | Lookout Mountain School of Horseshoeing |