Michael Schoch, Answers questions on Noodle
Unfortunately, children have to be 4 years-old by September 1st to attend preschool at Fairmount Elementary School. You could always try calling the school at (706) 337-5321 to see if it ever makes exceptions.
You can refine your search on the Noodle preschool locator to find local programs that accept 3 year-olds. Of course, you should always call the school or visit it's website to make sure your child is eligible to attend. To ease some of the stress involved in finding a preschool, Noodle has assembled a page of articles and advice for parents in your situation.
I hope these resources help!