KNOWING THE KIND OF DAMAGE BEING DONE TO THE SCHOOL IS ABSOLUTELY NECESSARY BEFORE SECURITY EQUIPMENT CAN BE SELECTED, THE AUTHOR STATES. SIMILARLY, SCHOOL OFFICIALS MUST DECIDE THE TYPE OF ACTION THEY WANT TO TAKE AGAINST THE VANDAL - DETERRENCE OR ARREST - BEFORE SELECTING SECURITY EQUIPMENT, SINCE THE DECISION TO CAPTURE OR FRIGHTEN GREATLY AFFECTS THE TYPE OF SECURITY EQUIPMENT NEEDED. FINALLY, THE AUTHOR ADVISES THAT THE ADMINISTRATOR CONSULT A QUALIFIED ENGINEER WHO HAS THE TECHNICAL SKILL TO DESIGN AN ENTIRE SECURITY SYSTEM AND WHO HAS NO INTEREST IN SELLING EQUIPMENT. A SERIES OF EQUIPMENT SKETCHES ARE PROVIDED WHICH GIVE A BRIEF DESCRIPTION OF THE DEVICE OR SYSTEM, THE PROS AND CONS OF USING IT, AND ITS COST. THESE DEVICES INCLUDE SILENT ALARMS, AUDIBLE AND VISIBLE LOCAL ALARMS, SPACE DETECTION ALARMS, AND CLOSED-CIRCUIT TELEVISION. THIS ARTICLE ALSO INCLUDES A FEATURE INSERT WHICH DESCRIBES THE PERSONAL ALARM TRANSMITTER SYSTEM USED BY BRONX HIGH SCHOOL TEACHERS.