Learning Express offers test preparation materials and practice exams for graduate entrance exams like the GMAT, GRE, LSAT, MCAT, and Praxis exams. Users can register for an account, select practice exams and tutorials to add to their "My Center" page, and access the materials to help prepare for these important exams required for admission to graduate and professional programs. The site provides full practice exams as well as sections that mimic the format, content, and timing of the actual tests to help users become familiar with the exam experience.