RALLIES ARE EXPECTED TO TAKE PLACE AT A MORGAN HILL HIGH SCHOOL TODAY (MON).     LIVE OAK HIGH SCHOOL IS MAKING PREPARATIONS FOR PROTESTS STEMMING FROM A 2010 DISPUTE ON CINCO DE MAYO.   FOUR YEARS AGO TODAY, LIVE OAK STUDENTS WEARING CLOTHING EMBLAZONED WITH THE U-S FLAG WERE TOLD TO CHANGE OR GO HOME.    THE ORGANIZATION GILROY MORGAN HILL PATRIOTS, PLANS TO PROTEST IN FRONT OF THE SCHOOL THIS MORNING (MON).    A MOTORCYCLE CONVOY CARRYING FLAGS IS EXPECTED TO RIDE THROUGH THE CITY AT AROUND 1:30 P-M.     LATER, AT 5 P-M, A UNITY RESPECT AND PEACE RALLY WILL BE HELD AT MORGAN HILL COMMUNITY PARK.