EDUCAUSE Core Data Service Fiscal Year 2006 Summary Report summarizes much of the data collected through the 2006 EDUCAUSE core data survey about campus information technology (IT) environments at 933 colleges and universities in the U.S. and abroad. The report presents aggregates of data through more than 100 tables and accompanying descriptive text in five areas relevant to planning and managing IT in higher education: IT Organization, Staffing, and Planning; IT Financing and Management; Faculty and Student Computing; Networking and Security; and Information Systems. Appendices include a brief historical context, a list of participating campuses, the 2006 survey instrument, a glossary of terms from the survey, and Carnegie classification definitions. An index is also included. (Contains 112 tables and 14 notes.)