http://www.actstudent.org/
The ACT student website provides information on many aspects of planning for college, including career planning and financial aid. You can also register for the ACT and find materials to prepare for the test.
http://www.collegeboard.com/
The College Board offers a variety of tools and resources to help you prepare and plan for college. Use the College MatchMaker to generate a list of colleges that match your preferences. Create and manage your personal list of colleges with My Organizer. Get ready for the SAT by taking an official, free practice test.
http://www.nacacnet.org/
The National Association for College Admission Counseling offers online resources for college preparation. As the preeminent provider of information related to the college transition process, the site hopes to provide the resources you need.