| Abbreviation | Definition |
|---|---|
| HSOP | Harrison School of Pharmacy |
| HSOP | High School Option Program |
| HSP | High School Physics |
| HSP | High School Preparation |
| HSP | Home School Program |
| HSPA | Hauptmann School of Public Affairs |
| HSPA | Humphrey School of Public Affairs |
| HSPA | Hunter School of the Performing Arts |
| HSPE | High School Proficiency Exam |
| HSPE | High School Proficiency Examination |
| HSPE | High School Proficiency Exams |
| HSPG | Hataitai School Parents Group |
| HSPI | High School POGIL Initiative |
| HSPOA | Harcourt School Publishers Online Assessment |
| HSPR | Hausmann School of Public Relations |
| HSPS | Hadley School for Professional Studies |
| HSPS | Harbor Springs Public School |
| HSPS | Harbor Springs Public Schools |
| HSPS | High School for Public Service |
| HSPT | High School Proficiency Test |