CIE- Cambridge International Examination is the world’s largest provider of international education programmes and qualifications for 5- to 19-year-olds. And these are divided into different sections as given below :
Class 1 to 5: Cambridge Primary.
Class 6 to 8: Cambridge Secondary 1.
Class 9 to 10: Cambridge Secondary 2 also called as IGCSE & O level.
Class 11 to 12: Advanced Supplementary and Advanced Level.