Pre-primary schools accept students from the age of three. Children from the age of five to eleven go to primary school. They are admitted in Grade 1 and gradually moves on to Grade 6. Primary education ends with a national examination which is the Primary School Achievement Certificate (PSAC). Students passing PSAC gains admittance to secondary schools, those with excellent results are admitted in National secondary schools. Secondary education is normally a 7-year study, starting from Grade 7 to Grade 11 The National Assessment At Grade 9 is carried out in the third year of Secondary education. Varied subjects are taught and as from Form IV, students are streamlined according to the subjects they choose. At the end of the 5th year of study at secondary level, students sit for the Cambridge School Certificate (SC) examination. Passing the SC exam, allows them to continue another 2-year study ending with the Higher School Certificate (HSC) exam.