Bay High School or Bays High School can refer to one of the following high schools:

In Australia Batemans Bay High School, Batemans Bay, New South Wales Byron Bay High School, Byron Bay, New South Wales Maroubra Bay High School, Marouba, New South Wales Warners Bay High School, Warners Bay, New South Wales Geilston Bay High School, Geilston Bay, Tasmania Rose Bay High School, Rose Bay, Tasmania Montrose Bay High School, Rosetta, Tasmania Trinity Bay State High School, Cairns, Queensland Deception Bay State High School, Deception Bay, Queensland Safety Bay Senior High School, Safety Bay, Western Australia

In Canada Oak Bay High School, Oak Bay, British Columbia Glace Bay High School, Glace Bay, Nova Scotia Morrison Glace Bay High School, Glace Bay, Nova Scotia

In Jamaica Morant Bay High School, Morant Bay, St Thomas

In Pakistan Bay View High School (Karachi), Karachi

In South Africa Camps Bay High School, Cape Town, Western Cape False Bay High School, Strand, Western Cape

In the United Kingdom Herne Bay High School, Herne Bay, Kent, England Whitley Bay High School, Whitley Bay, North Tyneside, England

In the United States Red Bay High School, Red Bay, Alabama Bay High School (Arkansas), Bay, Arkansas Granite Bay High School, Granite Bay, California Half Moon Bay High School, Half Moon Bay, California Morro Bay High School, Moro Bay, California Mission Bay Senior High School, San Diego, California Lemon Bay High School, Englewood, Florida East Bay High School, Gibsonton, Florida Palm Bay Magnet High School, Melbourne, Florida Tampa Bay Technical High School, Tampa, Florida Bay High School (Florida), Panama City, Florida Cypress Bay High School, Weston, Florida Casco Bay High School, Portland, Maine Dollar Bay High School, Dollar Bay, Michigan Anchor Bay High School, Fair Haven, Michigan Bay High School (Mississippi), Bay St. Louis, Mississippi Sheepshead Bay High School, Brooklyn, New York City, New York Bay Shore High School, Bay Shore, New York Oyster Bay High School, Oyster Bay, New York Hampton Bays High School, Southampton, New York Bay High School (Ohio), Bay Village, Ohio Put-in-Bay High School, Put-In-Bay, Ohio Carvers Bay High School, Hemingway, South Carolina Cane Bay High School, Summerville, South Carolina Bay City High School, Bay City, Texas Hudson's Bay High School, Vancouver, Washington Bay View High School, Bay View, Milwaukee, Wisconsin Green Bay East High School, Green Bay, Wisconsin Green Bay Southwest High School, Green Bay, Wisconsin Green Bay West High School, Green Bay, Wisconsin Sturgeon Bay High School, Sturgeon Bay, Wisconsin Bay Port High School, Suamico, Wisconsin Whitefish Bay High School, Whitefish Bay, Wisconsin Williams Bay High School, Williams Bay, Wisconsin

In New Zealand Golden Bay High School, Golden Bay Green Bay High School, Green Bay