Meridian High School is a public four-year high school located in Macon, Illinois. It is located about nine miles south of Decatur, Illinois. Its first year of existence was the fall of 1994, when it was formed by the merger of the Macon School District (1927–1994) and the Blue Mound School District (1917–1994). It is now part of the Meridian Community School District #15, which includes Meridian Middle School (grades 6-8) and Meridian High School (grades 9-12) in Macon, and Meridian Elementary School (grades Pre-K-5) in Blue Mound.