Last Thursday the sheriff's office responded to Tioga high school after threats were emailed to some students and teachers.
Detectives and the Rapides Parish Sheriff's Office yber crimes unit identified and arrested Jessica Winslow and Ti'Jeanae Harris, both 17 years-old.
The girls are in the Rapides Parish detention center without bond.
Detectives say the students said they "just wanted to see if they could get away with it."
Investigators say even though the arrests have been made, the case is open and the incident is still under investigation.
All electronic devices used during the crime have also been seized as evidence, detectives say.