Enterprise resource planning (ERP) software does what school leaders have always wanted their computer systems to do: It sees all. By integrating every IT application an organization has--from purchasing and inventory control to payroll--ERPs create a single unified system. Not only does this give IT managers a holistic view to what is happening in the enterprise, it also lets them track in one place the purchase, installation, and maintenance of every item the district owns. Like any software product, ERPs come with a lot of baggage attached, particularly when it comes to time and resources needed for deployment and maintenance. To assess the pros and cons, this article presents a list of essential considerations: (1) Does a centralized ERP solution make sense for your district?; (2) How much do ERPs cost?; (3) What are some of the implementation challenges?; and (4) What is the bottom line? [This article originally appeared in "Technology & Learning's" February 2007 issue (EJ757135).]