ok i got bored so heres something to look at:
-Irmo- 13 championships, 6 runners up
-Riverside- 10 championships, 2 runners up
-Bishop England- 8 championships(in 2A),1 runner up(in 2A) and 1 championship (in 3A) and 3 runners up(in 3A)
-Wando- 4 championships, 3 runners up
-Chapin- 1 championship, 5 runners up
-Spring Valley- 5 runners up
-BC- 2 runners up