Arts and Music Shirley Vaughn, Assistant Principal, svaughn@hbas.edu Lynn, Bergman, Assistant, lbergman@hbas.edu (714) 842-HBAS (4227) Secure online registration is available on the right side of this webpage. Note - for "Early Bird" registration discounts, registration forms must be postmarked or received seven days prior to the start date of the class. For other registration options click here.