Anderson, who has served on the board for for 11 years as chair and was first elected to the board in 1990, retired this year and presided over his last school board meeting Aug. 17.
The board is expected to select a new chair at its Sept. 21 meeting.
Anderson was recognized during the board's August meeting by County Mayor Rogers Anderson and presented with a Tennessee flag that was flown over the state Capitol, according to the district.
"Gary has had such a positive impact on so many people over the years. We can’t even begin to measure his influence," WCS Superintendent Jason Golden said in a district release. "He has taught me personally the value of instruction and the value of what we do for students."