That fascination prompted the Prince George's County native to enroll in the Duke Ellington School. Dionne Dyches attended Potomac High School for a short period of time before transferring to the Duke Ellington School. Casey Dyches attended Bishop McNamara High School (Forestville, Maryland) where he spent his freshman season before transferring to DeMatha Catholic High School (Hyattsville, Maryland) for his sophomore campaign. Christian Dyches played football and basketball at Potomac High School but only played basketball at DeMatha. Ridley Reflects on the Dyches BrothersAnthony Ridley coached Corey and Casey Dyches in high school but Christian Dyches has been part of Ridley's coaching staff at both Potomac High School and Team Takeover.