Ohio State 2025 School Calendar. Perfect for any fan, this calendar spans from september 2024 to december 2025,. Ohio’s state tests in english language arts, mathematics, science and social studies (ost) each school district chooses a consecutive series of school days to administer.

The calendars are subject to change. Ohio’s state tests in english language arts, mathematics, science and social studies (ost) each school district chooses a consecutive series of school days to administer.