Clay High School

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