A substitute teacher is on leave for allegedly threatening a student. 

It happened Thursday at Soddy Daisy Middle School.

Hamilton County Schools spokesperson Amy Katcher confirms to Channel 3 that the class was upset with the substitute for the way work was assigned. At that point, the substitute threaten a student. 

The incident is under investigation.  

No charges have been filed at this time. 

Stay with WRCBtv.com for updates to this story.