CEDAR RAPIDS — A Kennedy High School student falsely claimed to have brought a gun to the Cedar Rapids school Thursday morning.Administrators and the school’s resource officer determined the student lied, Principal Jason Kline said in an email sent to families just before 1 p.m.Another student reported the claim to administrators, who “responded immediately,” according to the email.The student was disciplined according to board policy, and the Cedar Rapids Police Department determined there was no threat.Comments: (319) 398-8330; molly.duffy@thegazette.com