Window Rock High School is a public high school in Fort Defiance, a census-designated place in unincorporated Apache County, Arizona.

WRUSD, and therefore the high school, serves several unincorporated areas, including Fort Defiance, Oak Springs, St. Michaels, Window Rock, and most of Sawmill.

A devastating fire burned the school to the ground early in April 1981, causing $5 million in damage.

Window Rock High School had an enrollment of 728 students on October 1, 2010.

The school serves students throughout the surrounding area including Fort Defiance, St. Michaels, Sawmill, Hunters Point, Oak Springs, and several others.