These years generally serve as the foundational, where children study a variety of subjects in Classes VIII, IX and X. In English, they practice reading comprehension and developing writing skills including grammar and vocabulary, while delving into literary forms such as poems or short stories. It reveals them to the number system, algebra for linear equations and polynomials, geometry containing basic shapes and measurements, and some statistical notions like mean and median. Physics concepts are explained with motion and energy, basic chemistry principles include elements and compounds, Biology topics range from cell biology to human physiology to environmental studies.