Open House Mater Dei Catholic High School 10-20-19 10/20/2019 10:00 am - 1:00 pm Mater Dei Catholic High School Loading Map.... Mater Dei Catholic High School1615 Mater Dei Drive - Chula VistaEvents 32.6204455 -116.97623379999999 Mater Dei Catholic High School will host an open house today from 10:00-1:00.