No. The College Board and Khan Academy have teamed up to offer free SAT practice tools through Official SAT Practice on Khan Academy. Research has shown that 6–8 hours of study with Official SAT Practice is associated with a 90-point score increase from the PSAT/NMSQT to the SAT, or from SAT to SAT. And 20 hours is associated with a score gain of 115 points. More than 8 million students have signed up for Official SAT Practice to help them build skills and confidence before taking the SAT.