The current high school was built in 1988 as an addition to be used as the middle school, which has recently been torn down to make more parking spaces for students and teachers.

The Liberty Union Band program has achieved numerous honors, at both the local and state level.

In 2007, under the direction of Ben Factor, the Liberty Union Marching Band qualified for OMEA State Marching Band Finals for the first time in school history.

The Liberty Union High School Concert Band has consistently been rated Superior at District and State Adjudicated Events.

The Concert Band has performed in Ohio Music Education Association "Class B" since 2011.