Niger has a 3-6-4-3 formal education structure. There are three years of pre-primary school, which has an official entry age of four and is referred to as préscolaire. Primary school, which is known as enseignement de base (cycle 1), has an official entry age of seven and a duration of six grades. Secondary school is divided into two cycles: lower secondary and upper secondary.
Lower secondary, which is known as enseignement de base (cycle 2), consists of grades 7-10 and culminates in the brevet d`études du premier cycle (BEPC); upper secondary, which is known as enseignement moyen, consists of grades 11-13 and culminates in the Baccalauréat. In addition, Niger has multiple upper secondary vocational education tracks that last two to three years (ISCED 2011 mapping for 2013 school year).