| 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) |