Since 1981, The Princeton Review's specialists have been assisting students, parents, and educators in achieving the greatest possible results at every stage of the educational process. The Princeton Review has helped millions of students and teachers succeed on standardized tests, and it also offers expert guidance and teaching to help parents, teachers, students, and schools negotiate the difficulties of school entrance. The Princeton Review offers online and school-based courses, one-on-one and small-group tutoring, and online services in both admission counseling and academic assignment aid, in addition to classroom courses in over 40 states and 20 countries.