Royal High School may refer to:

• Royal High School, Edinburgh, Scotland
• Royal High School, Bath, England

• Royal High School (California), Simi Valley, California
• Royal High School (Texas), Brookshire, Texas
• Royal High School (Washington), Royal City, Washington
• Royal Valley High School, Hoyt, Kansas
• Royal Palm Beach High School, Royal Palm Beach, Florida

• Royal School (disambiguation)
• Royal Grammar School (disambiguation)