The brevet certificate is only required by public schools, vocational schools, and teacher training institutes. The baccalaureate part I exam has two main tracks: literary and scientific. The baccalaureate part II has four main tracks: literature and humanities, which includes language, literature, history, philosophy, education, arts, and religion; sociology and economy, which includes economic sciences, politics, business and management, law, and sociology; general sciences, which includes mathematics, physics, chemistry, and their applications at the level of engineering; and life sciences, which includes biology and life sciences, chemistry and their applications in the area of medicine, health, agriculture, and other related subjects.