Backpacks and large purses are no longer allowed on the grounds of Adair County Middle School and Adair County High School. Officials said the first reported threat was made throu

Classes were also canceled Wednesday in Taylor County after similar threats, the district said in a Facebook post late Tuesday evening, adding that "none of the online threats have been validated, however, I must err on the side of caution to ensure that students and staff are safe and prepared as we move forward with our school year."

After a threat to Adair County Public Schools on Wednesday, the district has banned backpacks. The district said backpacks would not be allowed on the middle and high school campuses, covering sixth through 12th graders starting Monday.

A lockdown was in effect at Minarets High School in Madera County after deputies were made aware of a “potential threat” on campus Friday afternoon, the Madera County Sheriff’s Office said. According to the Sheriff’s Office,

Several schools in Caldwell County went into a so-called “soft lockdown” as a precaution Friday as threats continue to circulate in the wake of recent school shootings. Multiple schools in the Caldwell County Schools district went on a precautionary lockdown on Friday,