Timberlake High School is a four-year public secondary school in Spirit Lake, Idaho. Opened in 1998 at the south end of town, it is the second high school in the Lakeland Joint School District #272 of northern Kootenai County and draws its students from Spirit Lake, Athol, Bayview, and Twin Lakes. The school colors are navy blue, gold, and white, and its mascot is the white tiger.