The Centennial Holiday Show is held at Centennial High School each year the weekend before Thanksgiving. Â The entire school from the hallways to the gym and cafeteria is filled with booths of items for sale. Â Admission is just $4 at the door. Â Be sure to allow plenty of time to take in all of the items, you will need to time to look around. Â Take a look at our pictures when we visited on Saturday. Hours of the sale today are from noon-4pm. Â Centennial High School is located at 5050 Mallory Lane, Franklin.