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Howland Local School District
- Howland Springs Elementary School Calendar
- Howland Glen Elementary School Calendar
- North Rd Elementary School Calendar
- Mines Elementary School Calendar
- Howland Middle School Calendar
- Howland High School Calendar
Other districts in Ohio state
- Hardin Northern Local School District
- Harrison Hills City School District
- Heath City School District
- Hillsboro City School District
- Hope Academy Northcoast
- Hope Academy Northwest Campus
- Highland Local School District
- Hicksville Exempted Village School District
- Holgate Local School District
- Hillsdale Local School District
- Hudson City School District
- Huron City Schools
- Huntington Local School District
- Huber Heights City School District
- Hamilton Local Digital Academy
- Hamilton Cnty Math & Science
- Hamilton Local School District
- Hamilton City School District