Liberty High School (LHS) is a four-year high school located in Liberty, Missouri. Its 2019–2020 enrollment is over 1,800, having rapidly increased with the addition of the freshman class for the first time during the 2013–2014 school year. LHS is one of two high schools in the Liberty Public School District, alongside Liberty North High School (Liberty, Missouri) which opened in 2010. Liberty High School has two feeder middle schools, Liberty Middle School and Discovery Middle School (formerly South Valley Junior High).