Cascade High School is a secondary school located in Everett, Washington, United States. Part of the Everett Public Schools, it caters to grades 9–12 and has an annual enrollment of approximately 1,933 students. Students attending Cascade High School live primarily within the city of Everett, but some live in Mill Creek, Snohomish, and Mukilteo. The Cascade mascot is the Bruin and the school's colors are crimson and grey.

Everett is the county seat and most populous city of Snohomish County, Washington, United States. It is 25 miles (40 km) north of Seattle and is one of the main cities in the metropolitan area and the Puget Sound region. Everett is the seventh-most populous city in the state by population, with 110,629 residents as of the 2020 census. The city is primarily situated on a peninsula at the mouth of the Snohomish River along Port Gardner Bay, an inlet of Possession Sound, and extends to the south and west.