| Rank | Abbreviation | Meaning |
|---|
| ***** | HISD | Huffman Independent School District
| |
| **** | HISD | Hurlbert Index of Sexual Desire
| |
| *** | HISD | High Intensity Short Duration
| |
| ** | HISD | Hurst-Euless-Bedford Independent School District
| |
| ** | HISD | Houston Intermediate School District
| |
| ** | HISD | Hardin Independent School District
| |
| * | HISD | Hooks Independent School District
| |
| * | HISD | Huntington Independent School District
| |
| * | HISD | Huntsville Independent School District
| |
| * | HISD | Highway Information Services Division
| |
| * | HISD | histidinol dehydrogenase
| |
| * | HISD | Hamilton Independent School District
| |
| * | HISD | Head of Information System Division
| |
| * | HISD | Home Independent School District
| |
| * | HISD | Hospitality Institute for Sustainable Development
| |
| * | HISD | Huron Intermediate School District
| |
| * | HISD | Health Improvement Strategy Division
| |
| * | HISD | Horizontal maximum internal skull diameter
| |
| * | HISD | Hidalgo Independent School District
| |
| * | HISD | Harmony Independent School District
| |
| * | HISD | Houston Independent School District
| |
| * | HISD | Hawkins Independent School District
| |
| * | HISD | Humble Independent School District
| |
| * | HISD | Holland Independent School District
| |
| * | HISD | Healthcare Information Systems Directory
| |