In California, students age 16 and older and adults who pass the CHSPE receive a certificate that is the legal equivalent of a high school diploma. This updated manual prepares test takers for that exam with a diagnostic test, a detailed subject review, and two full-length model tests with answer keys and answer explanations. The subject review presents separate chapters on the basics of writing, reading, and mathematics. The basics of writing chapter offers a short grammar review plus detailed advice on answering the CHSPE essay question. The reading chapter presents reading comprehension selections with questions for practice and review. The math chapter reviews arithmetic, algebra, graphs, measures, and geometry.