Liberty Union High School is a public high school in Baltimore, Ohio. It is the only high school in the Liberty Union-Thurston Local Schools district. Their teams' name is the Lions. The school colors are red and black. 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 new middle school was built in 2011. The original Liberty Union High School was built in 1917, merging Baltimore and Basil High Schools.