No injuries were reported and sprinkler systems deployed automatically, helping to bring down the flames.
Lower School students and teachers have since been relocated to the Hendrix-Chenault Theater as fire officials work to identify the cause of the fire.
Atlanta Fire Rescue says they have extinguished a fire in the kitchen of The Lovett School.
In a tweet, they say they are staying on scene for further investigation.
The Atlanta Fire Rescue Department tweeted Monday morning that it was responding to The Lovett School because of “heavy smoke coming from the structure.”
Details are very limited at this time, but Atlanta Fire Rescue says all children at the school have been evacuated as of 9:17 a.m.
CBS46 has a crew on the way to the scene and will provide new information as soon as we get it.