PMHS

PMHS may refer to:
 * Polymethylhydrosiloxane

Schools

 * Parramatta Marist High School, Westmead, New South Wales, Australia
 * Parry McCluer High School, Buena Vista, Virginia, United States
 * Pasadena Memorial High School, Pasadena, Texas, United States
 * Patchogue-Medford High School, Medford, New York, United States
 * Pedro Menendez High School, St. Augustine, Florida, United States
 * Pelham Memorial High School, Pelham, New York, United States
 * Penn Manor High School, Millersville, Pennsylvania, United States
 * Pennsville Memorial High School, Pennsville, New Jersey, United States
 * Perry Meridian High School, Indianapolis, Indiana, United States
 * Philadelphia Mennonite High School, Philadelphia, Pennsylvania, United States
 * Picayune Memorial High School, Picayune, Mississippi, United States
 * Port Macquarie High School, Port Macquarie, New South Wales, Australia