Started doing business in 2002, Sherwood Test Prep Inc. is a provider of various test preparation courses. Located in Sacramento, Calif., it provides test preparation services in 60 cities in 27 states across the United States, including the District of Columbia. The firm has expertise in psychology, psychometric theory and university instruction makes for one of the best prep classes across the United States. Sherwood Test Prep Inc. serves over 10,000 students to increase their scores on standardized tests. The firm is a Better Business Bureau (BBB) Accredited Business.