Sinton Independent School District - Includes links to each campus, employment, and district information. Sinton Local News: Topix - Local, regional, and statewide news collected from diverse sources on the web. Encino Outdoor Services - Hunts for whitetail deer, turkey, quail, mourning dove, wild hogs, javelina, and alligator near Sinton in San Patricio County, Texas. Handbook of Texas Online: Sinton - Community history and information. Cowboy Fellowship - Provides calendar, map, worship times, ministries, photographs, and leadership. The Weather Channel - Sinton, Texas - Local forecast, current conditions, radar, and links for national and international weather information.