The fourth stage in the schooling pattern is the Secondary school classes. Secondary schools begin in India after the eight years of formal education of elementary and middle school classes. This education continues for two years, specifically class IX and X. The age group for the same is 13-15 years of age. At the end of class X, students in India are asked to appear for a pan India, standardized exam either under state boards or Central Board Of Secondary Education(CBSE).