MHS (high schools)
MHS may refer to the following high schools:
In multiple locations
- Madison High School (disambiguation)
- Manchester High School (disambiguation)
- Manggahan High School
- Marian High School (disambiguation)
- Marietta High School (disambiguation)
- Marquette High School (disambiguation)
- Mayfield High School (disambiguation)
- Mayville High School (disambiguation)
- McKinley High School (disambiguation)
- Melrose High School (disambiguation)
- Mercy High School (disambiguation)
- Meridian High School (disambiguation)
- Mesquite High School (disambiguation)
- Miami High School (disambiguation)
- Middleton High School (disambiguation)
- Middletown High School (disambiguation)
- Midland High School (disambiguation)
- Milford High School (disambiguation)
- Millbrook High School (disambiguation)
- Monarch High School (disambiguation)
- Monroe High School (disambiguation)
- Montclair High School (disambiguation)
- Monterey High School (disambiguation)
- Morgan High School (disambiguation)
United States
- Maconaquah High School, Bunker Hill, Indiana
- Colonel Zadok A. Magruder High School (Magruder High School), Rockville, Maryland
- Mainland High School, Daytona Beach, Florida
- Mamaroneck High School, Mamaroneck, New York
- Manalapan High School, Manalapan Township, New Jersey
- Manasquan High School in Manasquan, New Jersey
- Manatee High School, Bradenton, Florida
- Mandarin High School, Jacksonville, Florida
- Manhattan High School, Manhattan, Kansas
- Manvel High School, Manvel, Texas
- Marblehead High School, Marblehead, Massachusetts
- Edward S. Marcus High School (Marcus High School), Flower Mound, Texas
- Marietta High School (Georgia), Marietta, Georgia
- Marlboro High School, Marlboro Township, New Jersey
- Massapequa High School, Massapequa, New York
- Mayfair High School, Lakewood, California
- Mayo High School, Rochester, Minnesota
- Maysville High School, Zanesville, Ohio
- McCurdy High School, EspaƱola, New Mexico
- McDonald High School (Ohio), McDonald, Ohio
- McKinney High School, McKinney, Texas
- Mead Senior High School, Spokane, Washington
- Meadowdale High School (Washington), Lynnwood, Washington
- Mehlville High School, St. Louis, Missouri
- Melbourne High School (Melbourne, Florida)
- Menahga High School, Menahga, Minnesota
- Menomonie High School, Menomonie, Wisconsin
- Mentor High School, Mentor, Ohio
- Merrimack High School, Merrimack, New Hampshire
- Methacton High School, Norristown, Pennsylvania
- Metuchen High School, Metuchen, New Jersey
- Miamisburg High School, Ohio
- Middleburg High School, Florida
- Midway High School, Waco, Texas
- Miller High School (Corning, Ohio)
- Mills High School, Millbrae, California
- Milpitas High School, California
- Minnetonka High School, Minnesota
- Minot High School, North Dakota
- Miramonte High School, Orinda, California
- Mishawaka High School, Mishawaka, Indiana
- Moline High School, Illinois
- Monson High School, Monson, Massachusetts
- Montpelier High School, Vermont
- Montwood High School, El Paso, Texas
- Moore High School (Oklahoma), Moore, Oklahoma
- Mooresville High School, Mooresville, North Carolina
- Moorpark High School, California
- Morgantown High School, Morgantown, West Virginia
- Mounds View High School, Arden Hills, Minnesota
- Mukwonago High School, Mukwonago, Wisconsin
- Mulberry High School, multiple schools
- Mumford High SchoolDetroit,Michigan
- Munster High School, Indiana
- Muscatine High School, Iowa
Worldwide
- Macdonald High School, Sainte-Anne-de-Bellevue, Quebec, Canada
- Maitland High School, Maitland, New South Wales, Australia
- Moorebank High School, Chipping Norton, New South Wales, Australia
- Malacca High School, Malacca, Malaysia
- Marden High School, Cullercoats, Tyne and Wear, England
- Massey High School, Auckland, New Zealand
- Mayflower High School, Billericay, Essex, England
- Melbourne High School (Victoria), South Yarra, Australia
- Merewether High School, Broadmeadow, New South Wales, Australia
- Merivale High School, Nepean, Ontario, Canada
- Michaelhouse, Balgowan, Kwazulu-Natal, South Africa
- Minhang High School, Shanghai, China
- Moncton High School, New Brunswick, Canada
- Monifieth High School, Angus, Scotland
- Muirfield High School, North Rocks, New South Wales, Australia