PRHS may refer to one of the following high schools:
Palmetto Ridge High School in Orangetree, Florida, USA Park Ridge High School in Park Ridge, New Jersey, USA Parrsboro Regional High School in Parrsboro, Nova Scotia, Canada Paso Robles High School in Paso Robles, California, USA Paul Robeson High School (disambiguation), multiple schools Peachtree Ridge High School in Suwanee, Georgia, USA Pearl River High School (disambiguation), multiple schools Pentucket Regional High School in West Newbury, Massachusetts, USA Pinelands Regional High School in Tuckerton, New Jersey, USA Pine-Richland High School in Gibsonia, Pennsylvania, USA Plymouth Regional High School in Plymouth, New Hampshire, USA Porter Ridge High School in Union County, North Carolina, USA Prairie Ridge High School in Crystal Lake, Illinois, USA