If you click 'Study,' then 'Study Plan,' and then 'Settings' in the upper right-hand corner, you can change the start date of your study plan to any date you want. Then, review any lessons you have already completed, and simply check them off.

Personally, I don't think so. I know plenty of people who have applied with Jan/Feb scores and have been accepted and have received plenty of scholarships. I have had schools tell me they would not go past March if you want decent scholarships