PUBLIC SCHOOL SOLUTIONS SECURITY LEVEL 4 - MEDIUM VANDALISM Rock-Guards for 2nd floor and above windows SECURITY LEVEL 5 - HEAVY VANDALISM Impulsive vandalism on ground floor windows Shattered window panes on playground areas Gym windows damaged during sports Computer equipment rooms Modular classrooms SECURITY LEVEL 6 - MEDIUM SECURITY For inner-city street level windows To resist forced entry with tools SECURITY LEVEL 9 - MAXIMUM BARRIER SECURITY Difficult inner-city settings