During the summer, the Administrative Office is open Monday through Thursday, from 8  to 4 pm.                                                                                                                      Welcome to Mira Costa High School ~ Home of the Mustangs                                                                                  Thanks to the Manhattan Beach Property Owner's Association for funding the auditorium renovation!                                                                    REMINDER: Athletic Clearance Packets for ALL athletes are due Thursday, July 29th - this must include a RECENT physical exam to be vaild.                                                            The Mira Costa Office will be closed from August 6 though August 17, 2010.                          
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