The SAT website, found at http://sat.collegeboard.org, has a "Question of the Day" section. They will send these to your email if you sign up, and so with that, one question a day, you're one question more prepared to go back to school.
The specific URL or the "Question of the Day" is http://sat.collegeboard.org/practice/sat-question-of-the-day.
Explore the website for even more practice opportunities!