Clay High School may refer to:
Clay High School (Green Cove Springs, Florida) Clay High School (South Bend, Indiana) Clay High School (Oregon, Ohio) Clay High School (Portsmouth, Ohio) Clay Center High School (Kansas), Clay Center, Kansas Clay Center High School (Nebraska), Clay Center, Nebraska Clay City High School (Illinois), Clay City, Illinois Clay City Junior-Senior High School, Clay City, Indiana Clay County High School (Ashland, Alabama), Ashland, Alabama Clay County High School, Manchester, Kentucky Clay County High School (Clay, West Virginia), Clay, West Virginia
See also Clay-Battelle High School, Blacksville, West Virginia Clay-Chalkville High School, Pinson, Alabama Clay Central-Everly High School, Everly, Iowa Henry Clay High School, Lexington, Kentucky Lynchburg-Clay High School, Lynchburg, Ohio North Clay Community High School, Louisville, Illinois Randolph Clay High School, Cuthbert, Georgia