The Collier County Sheriff's Office responded to Aubrey Rodgers High School on Friday morning after a temporary lockdown.
CCSO says deputies responded before 11 a.m. at the school along Patriot Place in North Naples.
Deputies went from room to room throughout the campus and did not find a threat to student or staff safety.
The school was cleared and normal operations resumed.
Video of the lockdown shows students running the halls with their backpacks.