Armstrong High School may refer to:

In the United States[edit]

• Armstrong High School (Illinois) Armstrong, Illinois
• Armstrong High School (Washington, D.C.)
• Armstrong Manual Training School Washington, D.C.
• Robbinsdale Armstrong High School, Plymouth, Minnesota
• Armstrong High School (Virginia), Richmond, Virginia
• Armstrong High School (Wisconsin), the former name of Neenah High School in Neenah, Wisconsin