Cambridge English Worldwide offers: - a school-based approach with links to other subject areas throughout the course, and to other classes in different countries  content and concepts related to learners’ ages and levels of ability - an organisation based on the realities of teaching English at school: mixed abilities, mixed motivation, time available, and class size - material developed and successfully piloted in collaboration with teachers and classes in many parts of the world. The course consists of six levels: Starter and 15, designed for courses of 40-50 class hours, with optional material to provide for courses of up to 60 hours. Level 4 is for students at a lower intermediate level. The Workbook provides language practice for all areas covered in class. Students can find a complete reference section for all grammar areas and conversational language in the Language Summaries