The best GMAT prep courses offer a customized learning experience to help you improve your scores. Here are our top picks, from Magoosh, PrepScholar and more.

Dubbed as the Mega-GMAT resources folder, it contains links to ebooks, free GMAT tutorials, and exams, application materials, as well as Thacker’s Quick B-School Tips, to Save Time and Money.

Seven of the 15 schools with the best GMAT scores are based on the East Coast, four are in the Midwest, three are on the West Coast and one is in the South.