| Abbreviation | Definition |
|---|---|
| LHS | Liberty High School |
| LHS | Libertyville High School |
| LHS | Lincoln High School |
| LHS | Lindsay High School |
| LHS | Linganore High School |
| LHS | Littleton High School |
| LHS | Livermore High School |
| LHS | Liverpool High School |
| LHS | Livingston High School |
| LHS | Lockhart High School |
| LHS | Logan High School |
| LHS | Logansport High School |
| LHS | Longmeadow High School |
| LHS | Longmont High School |
| LHS | Lovejoy High School |
| LHS | Lowell High School |
| LHS | Lowndes High School |
| LHS | Lynbrook High School |
| LHS | Lynnwood High School |
| LHS | Lynwood High School |