About Us

Tri-Cities Prep is the only Catholic high school in the Tri-Cities area. Tri-Cities Prep High School was founded in 1994 as a private, independent, co-educational school approved by the bishops of both the Spokane and Yakima Dioceses.  Prep welcomed its first class of twenty students in August 1998. It is fully approved by the State of Washington and the Office of the Superintendent of Public Instruction.