[Ads /]
Police in Dalton tweeted that no children were hurt or were in danger. Police spokesman Bruce Frazier tells The Associated Press that the scene is secure. Police are not immediately saying what happened inside the school.
Police say the school has been evacuated and students have been taken to the Northwest Georgia Center. Police are advising parents to go there to pick them up.
[Ads /]
Dalton is about 90 miles (145 kilometers) north of Atlanta.
The identity of the teacher has not been released.
The high school's website says it has 2,000 students.