| Abbreviation | Definition |
|---|---|
| LHS | Lafayette High School |
| LHS | Lakeside High School |
| LHS | Lakewood High School |
| LHS | Lamar High School |
| LHS | Lancaster High School |
| LHS | Laramie High School |
| LHS | Lassen High School |
| LHS | Laurel High School |
| LHS | LaVergne High School |
| LHS | Lawrence High School |
| LHS | Leander High School |
| LHS | Lebanon High School |
| LHS | Lebanon High School's |
| LHS | Lehi High School |
| LHS | Lemont High School |
| LHS | Leonardtown High School |
| LHS | Leonia High School |
| LHS | Lewiston High School |
| LHS | Lewisville High School |
| LHS | Lexington High School |