The following sites offer a good start for early college planning and research. They are mostly search engines or sites that offer a primer on looking for colleges.
http://adventuresineducation.org/
College and career planning; elementary.
http://edonline.com/collegecompass
http://www.undergradzone.com
http://www.eiworldwide.com/
http://www.gocollege.com/
This site also contains some thoughtful essays by professional college counselors.
http://www.tericollegeaccess.org
This is another excellent site for those starting out.
http://www.plansforme.com/offtocollege/index.html
Discussion of graduate schools and financial aid
http://www.howstuffworks.com/college-admission.htm
Has an excellent reputation among college advisers.
http://www.allaboutcollege.com
Links to college home pages, financial aid information, graduate school directories and other information.
http://www.collegeexpress.com
There is a good search engine for colleges, plus maps and directions.
http://www.anycollege.com
http://campusprogram.com/index.html
http://www.collegedata.com
http://www.collegeprofiles.com
http://www.collegeview.com
Provides webtours and news articles
http://www.ope.ed.gov/security/Search.asp
The Department of Education's college search engine
http://www.schoolsintheusa.com/
http://www.uscollegesearch.org
This search engine allows the user to look for very specific programs
http://www.talbotsbook.com
http://www.collegiatechoice.com
If you can't travel to visit a school, you can take a walking video tour made by guidance counselors. The videos are non-promotional.
http://www.collegelink.com
A basic search engine.
http://www.collegeispossible.org
Has the basics about applying to college.
http://collegeprep.okstate.edu
Very general, but chatty.
http://www.collegequest.com
This site has the well-known college guide known as "Peterson's" on-line.
http://www.njsca.org/col/col&car.htm
This is an excellent site for college, career and financial aid information.
http://www.gocollege.com
Has an "advanced" search, plus financial aid information and SAT tips.
http://www.makingcollegecount.com
Has both a college and a financial aid search engine, a suggested timeline for college planning, and a career counseling option.
http://www.petersons.com
College and financial aid search engines; also some test preparation help.
http://www.collegenet.com
A little bit beyond the basics in terms of links to other resources.