LearningExpress Library Complete and PrepSTEP Academic This link opens in a new windowPractice tests, interactive tutorials, and ebooks for students adult learners. Includes practices tests such as GED, GRE, SAT, TEAS, and supports those looking to improve core academic skills, pass a high school equivalency test, prepare for college, join the military, obtain occupational certification, find a job, change careers, become a U.S. citizen and much more.