Thornton High School

Thornton High School is the name of numerous high schools in the United States, including:


 * Thornton High School (Colorado) in Thornton, Colorado
 * Thornton Township High School in Harvey, Illinois
 * Thornton Fractional South High School in Lansing, Illinois
 * Thornton Fractional North High School in Calumet City, Illinois
 * Thornton High School in the Jefferson Union High School District in Daly City, California
 * Thornton High School (Iowa), a defunct high school in Thornton, Iowa