Check your transcripts to make sure you have all the credits you need to get into the colleges that interest you.
Register for the SAT or ACT, if you plan to take them.
Take another look at your list of colleges, and make sure they still satisfy your requirements.
Submit your college admissions applications.
Work on scholarship applications, and mail according to deadlines.
Complete and submit your college financial aid application and the Free Application for Federal Student Aid (FAFSA) between January 1 and February 15. (Go to the FAFSA on the web form at www.fafsa.ed.gov)