Home > EVENTS GPA STERLING: Come join the GPA community for our annual Truck or Treat event! Stop by on October 26th from 10am-12pm. See you there! Sign up to host a trunk here! GPA STEPHENSON: Come out and be a part of our Spooktacular Trunk or Treat! We hope to see you there! If you would like to sign your trunk up, click the link below! Sign up to host a trunk here!