An East Ridge High School student was arrested on Friday after authorities said he assaulted a teacher and then threatened to get a gun and shoot several people at the school.
The Sheriff's Office said, "On Friday, the administration of East Ridge High School and the Sheriff’s Office SRO investigated an assault on a teacher by a student that occurred earlier this morning.
"Additionally, the same student was overheard making statements about possessing a gun hidden at his residence. He then proceeded to state that he would return to the school to shoot the principal, a teacher, and a student.
"Upon completion of the investigation, there was no access to a weapon to be found. The juvenile male student was arrested and transported to the Hamilton County Juvenile Detention Unit. The male juvenile will be charged with simple assault and harassing threats."
In the second incident, the Sheriff's Office said on Friday afternoon, a note was found on the floor in the hallway at Washington Alternative School.
Officials said, "The note indicated a threat to shoot the school in general, the majority of teachers, and school administrators.
"Upon completion of the investigation by the school administration and the HCSO SRO, a responsible student was identified. A juvenile male student was arrested and transported to the Hamilton County Juvenile Detention Unit. The student was charged with false reporting and simple assault/threats. Additional charges may be pending at a later date."
In the third case, a note was discovered written on a bathroom wall in a girls restroom at Ooltewah High School on Friday morning.
Officials said, "The note indicated a threat to shoot students at the campus along with a reference to the previous note found in a boys restroom last week.
"Upon completion of the investigation by the school administration and the HCSO SRO, a responsible student was identified. A juvenile female student was arrested and transported to the Hamilton County Juvenile Detention Unit. The female student was charged with false reporting, four counts of simple assault, and disorderly conduct."