Touchstone, together with Viewpoint, is a six-level English program based on research from the Cambridge English Corpus. Touchstone utilizes a curriculum that is updated by the corpus, ensuring that students learn the language used in practice. Activities include a strong emphasis on feature learning, personalized practice, and encouragement of student autonomy. Each Student's Book contains approximately 90 hours of material in 12 themed units - with additional practice in grammar and pronunciation added for the Second Edition. The Student's Book, Level 3 is at the low intermediate CEFR level (A2-B1).