HHHS

HHHS may refer to:

Lebanon

• Houssam Hariri High School, in Sharhabil, Saida

Australia

• Hunters Hill High School, in Sydney, New South Wales

South Africa

• Hottentots Holland High School, in Western Cape

United States

• Hasbrouck Heights High School in New Jersey
• Haddon Heights High School, in New Jersey
• Hamilton Heights High School, in Arcadia, Indiana
• Hatboro-Horsham Senior High School, in Horsham, Pennsylvania
• Hendrick Hudson High School in Montrose, New York
• Heritage Hills High School, in Lincoln City, Indiana
• Herbert Hoover High School (disambiguation)
• Houston Heights High School, in Houston, Texas
• Hunter Huss High School, in Gastonia, North Carolina