public service.
== Campus ==
=== Hill Memorial ===
Hill Memorial Building is a historic building on campus. The building was finished in 1879 and is the second structure built on the grounds. Initially, Hill held administrative offices and classrooms, though many University departments would enter and leave the building throughout its history. The building is currently the oldest on campus and one of the oldest standing structures in Ada. In July 2024, the administration of Ohio Northern announced the closure of Hill Building citing age and a need of extensive repairs.
== Athletics ==
ONU students participate in intercollegiate, intramural, and sports clubs in a variety of sports. The ONU Polar Bears compete in the NCAA Division III Ohio Athletic Conference (OAC). The men's volleyball team participates in the Midwest Intercollegiate Volleyball Association in the Great Midwest Men's Volleyball Conference. The school mascot is a polar bear named Klondike.
The ONU varsity football team defeated Mount Union …
