secondary school is for children from ages 10 to 18. Secondary education is divided into two parts: the junior and senior secondary education. The junior secondary education is pre-vocational and academic in scope. Most courses are compulsory, except religious and language courses (electives). For students to continue into senior secondary school, they have to making passing grades in the Junior Secondary School Certificate Examinations. In senior secondary school, students are allowed to choose which areas to concentrate on, be it science, arts, commerce, or technical studies. secondary school starts from form 9 and ends in form 12. Students start it when they are 14–15 and finish it when they are 18. Students will need to study Somali, Arabic, English or Italian depending on the type of school, Religion, Chemistry, Physics, Biology, Physical Education, Textiles, Art and Design and occasionally Music. When they finish secondary school, they are sent to national training camp before going to either college to train as a primary teacher, joining the army or starting university to attain a degree. Pupils' age can sometimes vary as students may require to repeat a previous year if they had not achieved their required grade or may skip a year if their level of achievement is higher than predicted.