Santa Barbara High’s 60-50 victory over Mount Miguel from San Diego County in the third round of the CIF State Girls Basketball Championships set off a celebration in J.R. Richards Gym on Tuesday night. The Dons will face Santa Margarita in a showdown for the Southern California Division III regional title on Saturday, March 22, at the Colony High gym in Ontario. The winner will go on to play the Northern California champion for the state crown in Sacramento on Friday, March 28.