Head Water Polo Coach - Deer Valley High School Antioch Unified School DistrictHead Water Polo Coach - Deer Valley High SchoolAntioch, CAAntioch Unified School District is centrally located in the East Bay and provides ready access to scenic mountains, waterfronts, wine country, historical sites and the Pacific Ocean. We have thirteen elementary schools, four middle schools, two comprehensive high schools, three specialized high schools, two alternative high schools and one K-8 school.