This project was part of the Portland High Impact Program and had as its goal a 60 percent reduction in burglary losses over a three-year period to be attained by installing centrally-monitored, silent, anti-intrusion devices in eleven schools. Comparison with eleven control schools indicates that the alarm system has demonstrated effectiveness in reducing burglaries and property loss. The purpose of this final report is to describe the project in some detail and discuss the methodology used to collect the post-installation data, the rationale behind the comparisons and statistical tests employed, and the implications these findings have on the current project and on the design and implementation of similar burglary prevention projects in the future. A secondary analysis is presented that attempts to isolate the influence of certain demographic factors on burglary rates and their associated property loss. Of these, only the percentage of students attending school showed a significant association. (Author/MLF)