Rainier High School

Rainier High School may refer to one of these U.S. high schools:


 * Rainier High School (Oregon), a school in Rainier, Oregon
 * Rainier High School (Washington), a school in Rainier, Washington

It may also refer to:
 * Mount Rainier High School, Des Moines, Washington
 * Rainier Beach High School (Seattle, Washington)