Chelan High School is a small rural public high school located in Chelan, Washington.

It is located within the Cascade Mountains, lying on the edge of the North Cascades National Park and the Wenatchee National Forest.

Chelan High School has an approximate enrollment of 415 students in grades 9–12.

Chelan is a member of the Washington Interscholastic Activities Association and competes in the 1A Caribou Trail Conference.

This Washington (state) school-related article is a stub.