Henry D. Sheldon High School is a public high school in Eugene, Oregon, United States. Sheldon is one of four traditional high schools in the Eugene School District.

The Oregon School Activities Association (OSAA) is a non-profit, board-governed organization that regulates high school athletics and competitive activities via athletic conferences in the U.S. state of Oregon, providing equitable competition among its members, both public and private. The OSAA is based in Wilsonville.