| Abbreviation | Definition |
|---|---|
| HSPT | High School Programming Tournament |
| HSPVA | High School For Performing And Visual Arts |
| HSPVA | High School Of Performing And Visual Arts |
| HSRI | High School Redesign Initiative |
| HSRO | High School Resource Officers |
| HSRP | High School Research Program |
| HSRR | Hertie School Research Repository |
| HSS | Holy Spirit School |
| HSS | Huda Sharawi School |
| HSSC | High School Summer College |
| HSSC | Higher Secondary School Certificate |
| HSSD | Heber Springs School District |
| HSSD | Holly Springs School District |
| HSSD | Hot Springs School District |
| HSSD | Howard Suamico School District |
| HSSG | How Schools Shortchange Girls |
| HSSM | HarvestNET School of Supernatural Ministry |
| HSSM | High School of Sports Management |
| HSSM | High School Sports Magazine |
| HSSN | Health Sciences and School of Nursing |