Smith attended Mount Saint Joseph High School in Baltimore, Maryland where he averaged 22.2 points, 12.0 rebounds, and 4.0 blocks per game as a senior and won several awards, among them, the Gatorade Maryland Boys Basketball Player of the Year twice.
Smith besuchte die Mount Saint Joseph High School in Baltimore, Maryland, wo er in der Oberstufe durchschnittlich 22,2 Punkte, 12,0 Rebounds und 4,0 Blocks pro Spiel erzielte und mehrere Preise gewann, darunter zweimal den Gatorade Maryland Boys Basketball Player of the Year.