| Abbreviation | Definition |
|---|---|
| LGGS | Lancaster Girls Grammar School |
| LGGS | Lancaster Girls' Grammar School |
| LGHS | Lake Gibson High School |
| LGHS | Leeds Girls' High School |
| LGHS | Los Gatos High School |
| LGMS | Lake Geneva Middle School |
| LGMS | Lake Gibson Middle School |
| LGMS | Lawrence Grassi Middle School |
| LGMS | Locust Grove Middle School |
| LGMS | Lyman Gilmore Middle School |
| LGS | Ladybird Grammar School |
| LGS | Lahore Grammar School |
| LGS | Lahore Grammar School (Pakistan) |
| LGS | Laney Graduate School |
| LGS | Langley Grammar School |
| LGS | Life Guard School |
| LGS | Loughborough Grammar School |
| LHES | Lana'i High and Elementary School |
| LHES | Laurel Hill Elementary School |
| LHES | Liberty Hill Elementary School, Liberty Hill, TX |