Preston High School is the name of several high schools:

In Canada: Preston High School (Ontario) in Cambridge, Ontario

In the United Kingdom: City of Preston High School in Preston, Lancashire, England

In the United States: Preston High School (Idaho) in Preston, Idaho (known as the Napoleon Dynamite high school) Preston High School (Iowa) in Preston, Iowa Preston High School (Oklahoma) in Preston, Oklahoma Preston High School (Maryland), former high school in Preston, Maryland Preston High School (New York City) in the Bronx borough of New York City Preston High School (West Virginia) in Kingwood, West Virginia, serving Preston County Lake Preston High School in Lake Preston, South Dakota

In Australia

Preston High School (Victoria) in Preston, Victoria (opening 2019)