| Abbreviation | Definition |
|---|---|
| HOES | Hampton Oaks Elementary School |
| HOES | Holly Oak Elementary School |
| HOMEWORK | Half Of My Evening Wasted On Ridicules Knowledge |
| HOMS | Hidden Oaks Middle School |
| HOOTS | Helping Out Our Teens in Schools |
| HOQM | HOQuiaM Public Schools |
| HOS | Haryana Open School |
| HOS | Heads Of School |
| HOSG | Head of School Girls |
| HOSS | Helping Our School Shine |
| HOTD | High School of the Dead |
| HOTS | Higher Order Thinking Schools |
| HOY | Head Of Year |
| HPEDSB | Hastings Prince Edward District School Board |
| HPEDSB | Hastings & Prince Edward District School Board |
| HPFS | High Point Friends School |
| HPGS | Happy Palace Group of Schools |
| HPGS | Horton Park Golf School |
| HPHS | Hartford Public High School |
| HPHS | High Point High School |