South Dakota High School Strength of Schedule Based on RPI Rank Team No games SOS Rnk Value 1 Bismarck-Mandan LC 0 0 0.00 2 Black Hills LC 0 0 0.00 3 Grand Cities LC 3 3 0.00 4 Red River Valley LC 0 0 0.00 5 Watertown LC 0 0 0.00