| Abbreviation | Definition |
|---|---|
| LHSP | Lancashire Healthy Schools Programme |
| LHSS | Lutheran High School |
| LHSS | Lutheran High School South |
| LIBS | Long Island Beauty School |
| LIP | Lab Introductory Physics |
| LIPS | Labour India Public School |
| LIS | Local Instructional Superintendent |
| LIS | London Interdisciplinary School |
| LISB | London Internet School of Banking |
| LISC | Language In the School Curriculum |
| LISD | Lamesa Independent School District |
| LISD | Lampasas Independent School District |
| LISD | Laredo Independent School District |
| LISD | Leander Independent School District |
| LISD | Lenawee Intermediate School District |
| LISD | Lewisville Independent School District |
| LISD | Lockhart Independent School District |
| LISD | Longview Independent School District |
| LISD | Lubbock Independent School District |
| LISG | Long Island School for the Gifted |