Delhi Public Schools follow a set sequence of fourteen years of schooling, starting with one year of nursery (3+), followed by one year of preparatory (PREP) and finally a total of 12 years of Secondary and Senior Secondary Classes on the 10+2 pattern of instructions. At the end of 10 years in school, students appear for the All India Secondary School Examination – AISSE (class X) which is followed by the ALL India Senior Secondary Certificate Examination – AISSCE (class XII), both of which are conducted by the CBSE. Some DPS schools like DPS, Amritsar also offer pre-nursery programmes for '3 plus' age group.