HHS

• Hadleigh High School
• Hall High School (Connecticut)
• Hall High School (Illinois)
• Halton High School
• Hamilton Health Sciences
• Hampshire High School (Illinois)
• Hampshire High School (West Virginia)
• Hanover High School (New Hampshire)
• Happy Home School
• Hardaway High School
• Hardee High School
• Harlingen High School
• Harmony High School
• Harrisburg High School (Arkansas)
• Harrisburg High School (Oregon)
• Harrison High School (Arkansas)
• Harrison High School (New York)
• Harrisonburg High School (Virginia)
• Harriton High School
• Hartsville High School
• Harvard High School (Illinois)
• Hastings High School (disambiguation)
• Havana High School
• Haverford High School
• Haverhill High School
• Havre De Grace High School
• Hayward High School (Wisconsin)
• Healdsburg High School
• Heartlands High School
• Helena High School (Alabama)
• Hempfield High School
• Hempstead High School (Dubuque, Iowa)
• Henderson High School (Auckland)
• Henderson High School (Pennsylvania)
• Hendersonville High School (Tennessee)
• Hereford High School (Parkton, Maryland)
• Hereward House School
• Heritage High School (disambiguation)
• Hermiston High School
• Hernando High School (Florida)
• Herriman High School
• Herrin High School
• Hibriten High School
• Hickman High School
• Highland High School (Pocatello, Idaho)
• Highland High School (disambiguation)
• Hightower High School
• Hillsboro High School (disambiguation)
• Hillsborough High School (New Jersey)
• Hillsborough High School (Tampa, Florida)
• Hillside High School (Durham, North Carolina)
• Hilltop High School (Whitecourt)
• Hillwood High School
• Hindu Hitachi Scholarships
• Hirschi High School
• Hobbs High School
• Holcomb High School
• Holland High School (disambiguation)
• Holliston High School
• Holly High School
• Holroyd High School
• Holyoke High School
• Homestead High School (Cupertino, California)
• Homewood High School
• Hornbeck High School
• Hortonville High School
• Howell High School (Michigan)
• Hoyeraal-Hreidarsson syndrome
• Hubbard High School (Ohio)
• Hudson High School (Massachusetts)
• Hudson High School (Ohio)
• Hudsonville High School
• Hueneme High School
• Huffman High School
• Hughes High School
• Huguenot Street Historic District
• Humble High School
• Huntingtown High School
• Huntsville High School (disambiguation)
• Huron High School (Ann Arbor, Michigan)
• Hutchings High School
• Hutchinson High School (Kansas)
• Hutchinson High School (Minnesota)
• Hyperosmolar hyperglycemic state
• Hénon-Heiles System
• Stockholm School of Economics
• The Hague University of Applied Sciences
• United States Department of Health and Human Services