Better test scores

For high-schoolers: The Khan Academy, the premier free online classroom, will tailor an SAT study course to your personal abilities based on your PSAT scores. They claim to be able to increase scores by 115 points. Sign up at Khan Academy, give PSAT permission to share your completed test, and Khan will create a free course designed for you personally. It will focus on your weak areas. BTW, they found that students who study together learn 2.5x as much as those who study alone. — KK