The spokesperson for Duval County Public Schools tells First Coast News that they are aware of the vague threat made to Atlantic Coast High School and say they are actively investigating.

DCPS says at this time there is no known or immediate danger to students at the school and additional security will be present until more information is available.

"Duval County Public Schools takes all threats seriously, and is dedicated to ensuring our campuses are safe and secure learning environments," the spokesperson tells First Coast News in an email.

First Coast News will update this developing story.