Introducing the brand new app Three Rivers ISD TX: It's everything TRISD, in your pocket. NEVER MISS AN EVENT The event section shows a list of events throughout the district.  Users can add an event to your calendar to share the event with friends and family with one tap.   CUSTOMIZE NOTIFICATIONS Select your student’s organization within the app and make sure you never miss a message. CAFETERIA MENUS  Within the dining section, you’ll find an easy to navigate, weekly menu, sorted by day and