Knappa High School is a public high school near Knappa, Oregon, United States, a community served by the U.S. Post Office Astoria, Oregon 97103. Knappa High School is located on Highway 30, 12 miles east of Astoria and 90 miles from Portland; between Svensen, Oregon and Knappa, Oregon. The Knappa School District serves the unincorporated communities of Knappa, Svensen, Burnside and Brownsmead, Oregon. Knappa High School's first class was graduated in 1919.