The Ames school board is considering adding cameras and metal detectors tobeef up the security in its buildings. The district received severalthreatening phone calls this past year. The high school was evacuated threetimes due to bomb threats. Associate Superintendant Ray Richardson says theywill phase different security systems in at each building.Richardson says they won’t know exactly what type of security system will beinstalled until the school board decides. But, he says they will beginputting some of the new measures in place before school resumes.Other security measures being considered are motion detectors and securitycard keys to open doors. The district now has a security company overseeingthe grounds of the high school.