1. College Board (collegeboard.org): This website offers a wealth of information, including the SAT and AP exam registration, college search tools, financial aid resources, and tips on how to prepare for college admissions.

2. The Common Application (commonapp.org): Many colleges and universities use the Common Application, which allows you to apply to multiple schools with a single application. This site provides the application form, essay prompts, and other necessary details.

3. Khan Academy (khanacademy.org): Khan Academy offers free SAT preparation resources, including practice tests, video lessons, and personalized study plans.

4. Naviance (naviance.com): If your high school uses Naviance, it can be a valuable resource for college research, career planning, and tracking your application progress.

5. College Confidential (collegeconfidential.com): This online forum is a community where students and parents discuss college admissions, share experiences, and seek advice.

6. Niche (niche.com): Niche provides comprehensive college rankings, reviews, and statistics to help you research and find colleges that match your preferences.

7. Peterson's (petersons.com): Peterson's offers test preparation resources, college search tools, scholarship information, and guidance on the college application process.

8. BigFuture by The College Board (bigfuture.collegeboard.org): This site helps you explore colleges, majors, financial aid options, and offers guidance on creating a strong college application.

9. U.S. News Education (usnews.com/education): U.S. News provides college rankings, advice on college admissions, and other educational resources.

10. Chegg (chegg.com): Chegg offers test prep resources, scholarship search tools, and other college-related information.