Rainier Prep is a college prep 5th-8th grade school located in South King County. Our mission is to prepare every student to excel at a four-year college and become a leader in their community. Rainier Prep is committed to creating an outstanding public charter school that achieves radically different outcomes for diverse students, many of whom come from families in poverty, and to being a collaborative partner in creating outstanding public schools for the success of all children in Washington State.