An arrest had been made in relation to the bomb scare that occurred at East Jackson Comprehensive High School on Wednesday and at West Jackson Middle School on Friday, according to Jackson County Sheriff Janus Mangum.
Authorities booked a juvenile female from EJCHS Friday on terroristic threats and disruption of a public school charges.
The sheriff's office also charged an 11-year-old at WJMS Friday related to a bomb scare there earlier in the day.
An investigation into a Thursday bomb hoax at Maysville Elementary School is ongoing, Mangum said.
The Jefferson Police Department is also probing a Thursday bomb hoax at Jefferson Middle School.