After Nursery (N) come K1, K2 and K3: three years of kindergarten. Then it is six years of primary and six years of secondary. That’s 12 school years from P1 to S6.
Nursery (N)
N · Duration: usually 1 year
Around ages 2–3
Optional. Nursery is separate from K1.
Kindergarten
K1–K3 · Duration: 3 years
Around ages 3–6
Three kindergarten years. Optional too.
Primary
P1–P6 · Duration: 6 years
Around ages 6–12
Six years. Compulsory schooling usually starts here, at age 6.
Secondary
S1–S6 · Duration: 6 years
Around ages 12–18
Six years. Attendance is compulsory until 15, around S3; most students continue to S6.
These stages follow the Education Bureau’s overviews of kindergarten. See its overviews of primary and secondary education. For the compulsory school-age rules, see the EDB’s primary and secondary guidance. Kindergarten is optional; compulsory attendance starts at age 6 and applies until 15.