Olentangy Orange High School is a public comprehensive secondary school located in Lewis Center, Ohio. As the third and newest high school in the Olentangy Local School District, it opened on August 10, 2008 with the first classes starting on August 20, 2008. The school serves students from all or small portions of the unincorporated community of Lewis Center and the city of Westerville, as well as Genoa and Orange Townships in Delaware County. The high school serves one cul-de-sac in Franklin County as well.