MHS may refer to: Schools Malibu High School, Malibu, California, US Marianas High School, Saipan, CNMI, US Marryatville High School, Adelaide, Australia Marshwood High School, South Berwick, Maine, US Massapequa High School, Massapequa, New York, US Matthew Humberstone School, Cleethorpes, England Mauldin High School, Mauldin, South Carolina, US McDonald High School, McDonald, Ohio, US McMinnville High School, McMinnville, Oregon, US Melbourne High School, Melbourne, Australia Moscow High School, Moscow, Idaho, US Milpitas High School, Milpitas, California, US Muscatine High School, Muscatine, Iowa, US Marysville High School (disambiguation) Milford High School (disambiguation) Montpelier High School (disambiguation) Other uses Air Memphis (ICAO code: MHS), an Egyptian airline Ingenuity (helicopter), formerly known as Mars Helicopter Scout Master of Health Science, a graduate degree program Meadowhall Interchange, a railway station in England, National Rail station code Message Handling System, a past Novell email protocol Michigan Humane Society, in animal welfare Microwave Humidity Sounder, satellite-borne instrument Mietshäuser Syndikat, a federated network of collectively owned houses in Germany Military Health System, of US DoD Modular Handgun System Montana Historical Society See also Mental health service (disambiguation)