primary school - age 3-11
secondary school - age 11-16
sixth form - age 16-18
university.
primary school is
-pre reception (3)
-reception (3-4)
-kindergarten (4-5)
-intermediate (year one, 5-6)
-transition (year two, 6-7)
-lower one (year three, 7-8)
-upper one (year four, 8-9)
-lower two (year five, 9-10)
-upper two (year six, 10-11)
that's what it was at my school, but i went to a prep school. so, a private school, so we had names for each class, and there was only 20 people per year, and 20 in a class.
secondary school:
-year seven (11-12)
-year eight (12-13)
-year nine (13-14)
-year ten (14-15)
-year eleven (15-16)
sixth form:
-year twelve (16-17)
-year thirteen (17-18)
university.