MDHS can refer to any of the following:

High schools

Markham District High School Markham District High School (or MDHS) is a public high school in the city of Markham, Ontario, Canada. It is one of 32 high schools in the York Region District School Board. Until the 2016–17 academic year, it was the only publicly funded sc ...

, Markham, Ontario, Canada * Mater Dei High School (disambiguation) * Medical District High School, Memphis, Tennessee, USA *

Monsignor Donovan High School Donovan Catholic High School, (formerly Monsignor Donovan High School) located in Toms River, is the only Roman Catholic high school in Ocean County, New Jersey, United States, and operates under the supervision of the Roman Catholic Diocese of ...

, Toms River, New Jersey, USA *

Mount Douglas High School Mount Douglas Secondary School is a four-year public secondary school located in Saanich, British Columbia, Canada, with around 850 students on roll. The school is part of the Greater Victoria School District (SD61), and is known locally a ...

, Saanich, British Columbia, Canada *

Milton District High School Milton District High School (MDHS) is a public secondary school located in Milton, Ontario, Canada. MDHS, which is commonly referred to as M.D. by locals, is part of the Halton District School Board, and educates approximately 1800 students. The sc ...

, Milton, Ontario, Canada * Myungduk High School, Gangseo District, Seoul, South Korea

Other

* MDHS100, a standard for Surveying, sampling and assessment of asbestos containing materials produced by the UK Health and Safety Laboratory * Majlis Daerah Hulu Selangor, a local authority in Kuala Kubu Bharu in Malaysia *

Maryland Historical Society The Maryland Center for History and Culture (MCHC), formerly the Maryland Historical Society (MdHS), . founded on March 1, 1844, is the oldest cultural institution in the U.S. state of Maryland. The organization "collects, preserves, and inte ...

, abbreviated as "MdHS" * The University of Melbourne Faculty of Medicine, Dentistry and Health Sciences *

Mississippi Department of Human Services The Mississippi Department of Human Services (MDHS) is a state agency of Mississippi, headquartered in Jackson. The department operates the state's family services. Division of Youth Services The Division of Youth Services (DYS) operates juvenile c ...

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