San Marcos Treatment Center in San Marcos, Texas, is a 212-bed psychiatric residential treatment facility. We provide inpatient psychiatric treatment to children from the ages of 6 up to 12. These psychiatric treatment programs are designed to teach our young patients how to manage their emotions so they can learn how to replace their problematic behaviors with healthier ones. We also offer psychiatric treatment programs for adolescents (ages 13 to 17) with behavioral health issues, psychiatric and behavioral issues.