Cambridge English Worldwide offers:- an approach centred around the whole educational context of learning English at school- links across the school curriculum 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 which takes into account the realities of teaching English at school: mixed abilities, mixed motivation, time available, and class size-material which has been developed and successfully piloted in collaboration with teachers and classes in many parts of the worldThe course consists of four levels: Starter, for learners with little or no previous English, and 1-3. Each level is designed for courses of 40-50 class hours, with optional material to provide for courses of up to 60 hours.