LTHS
| Acronym | Definition |
|---|---|
| LTHS | Lake Travis High School (Austin, TX) |
| LTHS | Lyons Township High School (Western Springs, IL, USA) |
| LTHS | Lockport Township High School (Illinois) |
| LTHS | Lacey Township High School (Lacey Township, New Jersey) |
| LTHS | Lane Tech High School (Chicago, IL) |
| LTHS | Long-Term Housing Strategy (various nations) |
| LTHS | Lackawanna Trail Junior/Senior High School (Factoryville, Pennsylvania) |
| LTHS | Loyalsock Township High School (Williamsport, PA) |