Northwestern High School

• Mendon, Missouri
• Northwest High School (disambiguation)
• Northwestern High School (Baltimore, Maryland)
• Northwestern High School (Hyattsville, Maryland)
• Northwestern High School (Indiana)
• Northwestern High School (Michigan)
• Northwestern High School (South Carolina)
• Northwestern High School (Springfield, Ohio)
• Northwestern High School (West Salem, Ohio)
• Northwestern High School (Wisconsin)
• Northwestern Senior High School (Pennsylvania)
• West Prairie High School