| Hopkins Public Schools, MI (District) |
| Hopkinton, MA (District) |
| Hopkinton Sau Office, NH (District) |
| Hopkinton School District, NH (District) |
| Hoquiam School District, WA (District) |
| Horatio School District, AR (District) |
| Horicon Elementary, CA (District) |
| Horicon School District, WI (District) |
| Horizon Academy West, NM (PSA) |
| Horizon Community Learning Center Inc., AZ (District) |
| Horizon Science Acad Cleveland, OH (PSA) |
| Horizon Science Acad-Belmont Charter Sch, IL (PSA) |
| Horizon Science Acad-McKinley Park Charter Sch, IL (PSA) |
| Horizon Science Academy Columbus, OH (PSA) |
| Horizon Science Academy Columbus Middle School, OH (PSA) |
