CampusTours
Browse colleges and universities by name or location.
http://www.campustours.com/

CollegeView
Search for colleges many ways, including factors such as major, athletics, student body size, religious affiliation, etc.
http://www.collegeview.com/

The National Catholic College Admissions Association
http://www.catholiccollegesonline.org

CollegeBoard
Information about the SAT plus information to help you compare colleges.
http://www.collegeboard.com

College Search - CollegeNET.com
http://cnsearch.collegenet.com/cgi-bin/CN/index

Peterson's - Your Comprehensive Guide to College Information
http://www.petersons.com/