World Class. The course for secondary students with enquiring minds. World Class is a four-level course for secondary students of English. World Class 2 builds on and develops the approach established in World Class I. Each level of the course provides 90-100 classroom lessons. The Activity Book contains additional language practice activities and thorough recycling of grammar and vocabulary from the Students` Book. The material includes listening passages suitable for students working alone, and regular pronunciation and spelling exercises.